Under the Articles of Confederation, what was needed in order to pass an amendment? the votes of all thirteen states the votes of nine states the votes of half of the states the votes of three states

Ya why not. you can share answer meaning g to say u can ask and learn.

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.