Now they not only provide drinking water for many areas of the state, but they also generate power for many dams and cool the reactors at facilities that provide power.

answer; i believe its called ; checks   and balances;

answer; during stalin"s rule, many mothers told their children that he was the greatest thing to ever happen to russia;

answer; repetitive thoughts; ritualistic behaviors;

answer; shipments were made easier,and trade was easier;