First, Hillary Clinton and Elizabeth Warren took Ohio by storm in an appearance that marked the debut of a dynamic duo. Then, President Obama joined Clinton on the campaign trail in North Carolina. Now, Vice President Joe Biden is expected to visit the Rust Belt with the former secretary of state next week.

Since securing their endorsements, Clinton has turned Obama, Biden and Warren into her own Democratic dream team. The campaign sees the trio as a massive help to Clinton, who has struggled to excite voters at the level Bernie Sanders did in the primary.