Story highlights Marco Rubio dropped out of the presidential race after losing the primary in his home state of Florida

Rubio struggled to win states against Donald Trump and Ted Cruz and banked his campaign future on winning Florida

(CNN) Marco Rubio is dropping out of the presidential race after losing the Florida primary to Donald Trump and failing to unite the Republican establishment against the billionaire front-runner.

"We live in a republic and our voters make these decisions," Rubio said in Miami Tuesday night as his supporters booed Trump's victory.

His speech was a thinly veiled rebuke of Trump's campaign tactics, as he warned that it would have been easier for him to exploit the anger and anxiety driving the race. He warned that the politics of division were going to leave America a "fractured nation."

"America is in the middle of a real political storm, a real tsunami and we should have seen this coming," Rubio said.

"While we are on the right side," he said," this year, we will not be on the winning side."

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