Which statement best describes the political structure of the ancient chavíns?

the chavíns developed city-states that were powerful but independent.
the chavín civilization included different groups unified under a single religion.
the chavín civilization was ruled by an emperor and had about four hundred tribute states.
the chavíns were run by representatives from different city-states.

He seventeenth amendment to the us constitution calls for the direct election of all us senators. this means that the people of each state get to vote to decide who will be their two us senators. before this, the legislatures of each state chose the two us senators from that state with no direct involvement of the average voter. why would this amendment be considered a reform? how would it benefit the people? even today some people claim that the seventeenth amendment was a bad idea. what arguments could be made for reverting selection of us senators back to the state legislatures?

Which president created the cabinet? when?

What is the title of the head of thr department of defense?