What is a role/power special or unique to the Senate? -can impeach the president
-can pass budget bills
-can approve presidential -nominationstions to the SUU
-can pass foreign relations bills

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.        

it depends on which society you are referring to. many civilization performed rituals so the gods would with their growing season but the most well known is that of the aztecs. they would make sacrifices, usually animals, but sometimes humans as well.

answer; how people relate to each other and influence each other;