They had a civel war and the nationalist side won
It was the national war labor board...in 1942 president FDR brought back Woodrow Wilson's National War Labor Board or (NWLB), in hopes of stopping or at least slowing down the labor management conflict in WW2.
I really hope that helped and its what you were looking for!<span />
The answer is C.) Executed rivals and imprisoned dissenters.