As a result of the First World War world political power shifted from Europe to

Yeah i’ll call ya later i don’t have any money to go out there

Ibelieve the answer is (a) true.

They made a checks and balance system to equal power within the branches. the "check" meant that one branch would watch one branch and "balance" them if they were too powerful. if you want more info on this, i would just google checks and balance system.