I'm talking a level of control that would make the liberal conception of Stalin blush.
Context? Material conditions? Up to you. Maybe you just finished leading the revolution to victory, maybe you got :vote:d into this position, maybe you just woke up in another timeline, I don't care
FDR didn't actually pick Truman, the Democratic Party forced him on the ticket, knowing FDR wasn't in great health. FDR's previous VP, Henry Wallace, was too far left (slightly left of FDR so not actually a socialist) for them.