Donald Trump won GOP primaries in seven states, and Sen. Ted Cruz, R-Texas, took three in a Super Tuesday rebound, sparking renewed calls from some Republicans to unify around a single Trump rival as the billionaire tightened his hold as the front-runner.

The contests in 11 states showcased Trump’s dominance over a crowded GOP field. Florida Sen. Marco Rubio was the winner in one state: Minnesota, his first victory of the 2016 primary season.

Trump won Alabama, Arkansas, Georgia, Massachusetts, Tennessee, Vermont and Virginia. In several states, his lead was in double digits, and his share of the GOP vote neared 50 percent. With those wins, Trump has more than doubled his victory total in this GOP primary season.

Meanwhile, on the Democratic side, former secretary of state Hillary Clinton is now on a path toward a long lead among delegates that will be hard for Sen. Bernie Sanders, I-Vt., to surmount. Although Sanders held his own by winning four of 11 states Tuesday, Clinton’s performance dramatically widened her lead as she tries to put to rest any lingering doubts over her shaky start in the 2016 voting.

At this point, both Trump and Clinton have substantially more delegates than their opponents. Trump has 316 to Cruz’s 226 and Rubio’s 106, while Clinton has amassed 1,001 delegates to Sanders’s 371.

The turnout results from Tuesday showed a sharp disparity between the two parties. There was an overall 70 percent increase in Republican turnout since 2008 across the states holding primaries and caucuses Tuesday, according to Edison Media Research, but Democratic turnout declined 28 percent compared with 2008.

While part of the shift stemmed from changes in the election schedule, since Texas and Virginia voted this year when the contest remained competitive, it also showed that GOP voters are energized by the current battle over control of the party after having a Democrat in the White House for more than seven years.

Even as Trump basked in his Super Tuesday romp, a well-funded super PAC was ramping up its effort to discredit the New York businessman with a new television advertisement that portrays him as a predatory huckster who scammed working- and middle-class Americans.

The 60-second ad, which will begin airing Wednesday on stations across the country at a cost of more than $1 million, centers on Trump University, the billionaire mogul’s for-profit enterprise that promised to teach students the tricks of the real estate trade and is now defunct and the subject of a fraud suit.

The attack echoes themes that Rubio, who is trying to unite the GOP’s anti-Trump forces under his own banner, has advanced as he has addressed swelling crowds in suburban areas. Trump had mocked him for not winning any states before the latest contests, and while Rubio did manage to secure one Tuesday, the night was an overall disappointment.

He had attacked Trump sharply in the past few days and shifted some late-deciding voters into his camp. But outside of Minnesota, it wasn’t enough.

Speaking to Fox News Channel on Wednesday morning, Rubio – who has cited several media reports while blasting Trump over the past week – criticized journalists for taking “a pass” when it comes to the front-runner.

“I had hoped it would take its own course,” he said, but he concluded he needed to launch a frontal assault. “If this were any other front-runner,” Rubio added, “we would have people saying, ‘Let’s all rally around the front-runner.’ That will never happen with Donald Trump.”

Rubio also expressed confidence that he will win when his home state, which will deliver 99 delegates in a winner-take-all primary, votes on March 15. “It’s going to be close, no doubt about it, but we know how to win in Florida, and we will.”

Cruz won Alaska, Oklahoma and his home state of Texas just after 9 p.m. They were the second, third and fourth states Cruz has won in this race; he also won the first contest, the Iowa caucuses. The win in Texas, in particular, was vital: It saved Cruz from a humiliating home-state defeat and gave him part of the largest slate of delegates that was up for grabs Tuesday.

But this was not the Super Tuesday that Cruz had hoped for months ago. He had campaigned hard in Southern states, hoping to dominate among evangelicals and very conservative voters. Instead, in state after state, he saw those voters flock to Trump.

Ohio Gov. John Kasich came in a close second to Trump in Vermont.

The worry among the party establishment – which has put its last hopes on Rubio – was strong and growing after Trump’s Tuesday victories.

Even Sen. Lindsey Graham, R-S.C., an outspoken critic of Cruz, said to CBS’s Charlie Rose on Tuesday night, “Well, I think we’re about ready to lose to the most dishonest politician in America, Hillary Clinton, and how could you do that?”

“I made a joke about Ted, but we may be in a position to have to rally around Ted Cruz as the only way to stop Donald Trump, and I’m not so sure that would work,” he said, adding that when it came to that prospect, “I can’t believe I would say yes, but yes.”

Cruz, R-Texas, addressed his supporters at a venue called the Redneck Country Club in Stafford, a Houston suburb. He sought not so subtly to persuade Rubio to drop out of the race, saying that a divided field was allowing Trump to succeed.

“So long as the field remains divided, Donald Trump’s path to the nomination remains more likely. And that would be a disaster . . . for conservatives, and for the nation. And after tonight, we have seen that our campaign is the only campaign that has beaten, that can beat, and that will beat Donald Trump,” Cruz said. He spoke to primary voters in future states: “We must come together.”

Rubio, the establishment candidate who had sharply attacked Trump in the past few days, ran close to Trump in Virginia, boosted by support among college-educated voters and Republicans in the D.C., suburbs. But he fell short, with Trump piling up large margins in the state’s rural South and West.

Still, exit polls showed some good news for Rubio: In several states, he did well among voters who decided late, according to media reports. That could be taken as proof that Rubio’s late attacks on Trump worked – and it could encourage Rubio to continue them, hoping to win more primaries in the coming weeks.

Rubio’s campaign has sought to position him as the top alternative to Trump: the one who would be waiting and ready when voters – or delegates, at a fractious GOP convention – finally turned on the front-runner. But Tuesday’s results showed that was not exactly true. In fact, Rubio came in third in eight states, and placed second only in Virginia and Georgia.

Senate Minority Leader Harry Reid, D-Nev., took to the chamber floor Wednesday to decry Trump’s rise, which he blamed on Republican leaders in Washington.

“Donald Trump is the ultimate fulfillment of the Republican Party’s legacy of obstruction and resentment,” he said. “The reality is Republican leaders are reaping what they’ve sown.”

And while Reid described the New York billionaire as “the standard-bearer for the Republican Party,” he said candidates including Cruz and Rubio have been equally disparaging of minorities and immigrants. Their message, he said, “may be a little more subtle, but they’re saying the same thing.”

Trump, for his part, spoke to supporters in an ornate ballroom at his Mar-a-Lago resort in Palm Beach, Florida. He mocked Rubio, calling him “the little senator” and reminding his crowd that “[Rubio] didn’t win anything. He hasn’t won anything, period.”

Trump also called his campaign “a movement,” and sought to look ahead to a general election contest against Clinton.

“I am a unifier. When we get all of this finished, I’m going to go after one person, Hillary Clinton,” Trump said. He rejected suggestions that his comments – about Mexican immigrants, mass deportation of undocumented immigrants and a ban on Muslim foreigners entering the country – had divided his party.

“We are going to be a much finer party. We’re going to be a unified party,” Trump said. “I mean, to be honest with you. And we are going to be a much bigger party. Our party is expanding.”

In a wide-ranging news conference that followed Trump’s speech, he issued a kind of threat to House Speaker Paul Ryan, R-Wis., who – before Trump came on the scene – had a claim to being the most popular figure in the GOP.

“Paul Ryan, I don’t know him well, but I’m sure I’m going to get along great with him,” Trump said. “And if I don’t, he’s going to have to pay a big price, okay?”

It seemed possible, given Tuesday’s results, that Rubio, Cruz and Kasich could find a reason to remain in the race. So even where Trump lost Tuesday night, he may have won – reaping the benefits of a crowded field of candidates and splitting the anti-Trump vote into pieces.

Former pediatric neurosurgeon Ben Carson, who has failed to win a single primary or caucus so far, told supporters he was dismayed with the state of the nation’s political system and not prepared to quit the race yet.

“It is rotten; it is rotten to the core,” Carson told a crowd of supporters in Baltimore. “I’m not ready to quit untangling it quite yet.”

Carson has called on the five remaining candidates to meet privately in Detroit in advance of Thursday’s GOP debate on the Fox News Channel. He has asked them to take “a pledge to talk about the many serious problems facing our country, instead of personally attacking each other.”

In the Democratic race, with nearly all the votes counted,Clinton won the Alabama, Arkansas, Georgia, Tennessee, Texas and Virginia Democratic primaries as she looks to dramatically widen her lead in the race for the Democratic presidential nomination over Sanders.

Sanders chalked up four victories: his home state of Vermont, as well as in Oklahoma, Minnesota and Colorado.

Speaking to supporters in Miami on Tuesday night, Clinton seemed to assume the mantle of presumptive nominee, speaking only briefly of Sanders and instead looking ahead to the general election – and taking jabs at the Republican front-runner, Donald Trump, without mentioning his name.

“America prospers when we all prosper. America is strong when we’re all strong,” she said. “We know we’ve got work to do, but that work is not to make America great again. America never stopped being great. We have to make America whole; we have to fill in what’s been hollowed out.”

That play on Trump’s signature line gave a strong hint about the thrust of Clinton’s argument in a head-to-head contest: She would say the country needs to unite and build on what she calls Obama’s accomplishments, and she would seek to turn Trump’s bitter rhetoric against him.

(c) 2016, The Washington Post · David Fahrenthold, Philip Rucker, Juliet Eilperin