get in line

The mere threat of that — of publicly and explicitly neutering the Senate — could be enough for the GOP caucus to get in line.

When talking about a potential crisis, get in line.

After all, they'll have to get in line.

"We would not be spending this much time and energy and effort begging people to listen to us if we didn't hear from actual voters, this is what they're asking for. We would not be doing any of this. If all it took was for us to get in line and go, 'Yeah, like, let's endorse Harris tomorrow,' we would absolutely do it."

Should migrants ‘get in line and wait their turn’? What if there is no line?