Former President Obama praised survivors of last week’s school shooting in Florida for speaking out following the attack, calling them “smart” and “fearless” and promising “we’ve got your backs.”

Obama joins his wife, former first lady Michelle Obama Michelle LeVaughn Robinson ObamaTo honor Justice Ginsburg's legacy, Biden should consider Michelle Obama National Urban League, BET launch National Black Voter Day The Hill's Morning Report - Sponsored by The Air Line Pilots Association - White House moves closer to Pelosi on virus relief bill MORE, voicing support for the students. On Wednesday, Michelle Obama tweeted she was “in total awe” and pledged she and Barack Obama were “behind [them] every step of the way.”

Former Democratic presidential nominee Hillary Clinton Hillary Diane Rodham ClintonJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Momentum growing among Republicans for Supreme Court vote before Election Day Warning signs flash for Lindsey Graham in South Carolina MORE also defended the Parkland, Fla., survivors on Twitter on Wednesday, saying they have "shown so much courage in standing up for the truth" in the face of conspiracy theories that some of them are in fact "crisis actors."

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Survivors of the deadly shooting at Marjory Stoneman Douglas High School have emerged as strong advocates for gun control following the attack.

Some of them have traveled to Florida’s state capitol to encourage lawmakers to take up gun control reform, and many are also planning a march later this year in Washington, D.C., to demand action on gun violence.

The students also took center stage at a CNN town hall Wednesday, questioning lawmakers on the future of gun control legislation and pushing them to refuse future donations from the National Rifle Association.

Barack Obama pushed for stricter gun control laws during his administration, particularly after the 2012 shooting at Sandy Hook Elementary School, but struggled to get measures through Congress.