The former Governor of Florida endorses Ted Cruz for president and calls Donald Trump "divisive."
The brother and son of presidents has abandoned his bid for the Republican nomination after a dismal showing in the first three contests of the campaign.
Most of the candidates said the next president, not Obama, should appoint Antonin Scalia's successor. They also had some notable fights among themselves.
They also vied for who's most religious and toughest on illegal immigration.
It was a contentious evening in South Carolina, and it saw Cruz finally define 'New York values,' which include support for things he opposes, like marriage equality.
Saturday Night Live comically portrayed Donald Trump as a bully who mocked Jeb Bush and accused him of being assigned female at birth.
The candidates are endorsing the First Amendment Defense Act, which would prohibit the federal government from stopping discrimination by people or businesses.