Why the march on washington was important?

The March on Washington was important because it was intended to fight for the rights of African-Americans for jobs and freedom. Organized by religious groups and civil groups, the march was intended to shed light on the challenges that black citizens were facing 100 years after emancipation.

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.