Which sequence correctly depicts the order of russia’s political structure during the 20th century?

For the most of the 20th century Russia was a Communist country with Socilaistic central planned economy and ruled by one party.

Where people were very broke no jobs were available and everyone was struggling

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.