The Democratic primary field for 2020 is largely set, but with former Vice President Joe Biden finally jumping in, the most high-profile candidate has yet to weigh in on many of the policy fights that so far have defined the battle to beat Donald Trump.

Voters, donors and political organizations are grilling candidates on whether they would support paying reparations to descendents of slaves, expanding the Supreme Court or abolishing the Electoral College. Biden, who has so far avoided many of these knotty questions, is sure to face inquiries about them soon.

Here’s how Democratic White House hopefuls are siding on the fiercest debates in the party right now: