Why was the seventeenth amendment necessary?

Which area of russia is volcanically active? a. ural mountains b. baltic sea c. kamchatka peninsula d. volga river

Sparta faces threats from without and within the city-state who posed these threats.

How are the republican and democratic presidential candidates chosen? a. they are nominated by their state governments. b. each is nominated by his or her respective party. c. each is chosen by the governor of his or her home state. d. they are chosen by the house of representatives.