Several poets of this time, such as gertrude stein, had an important impact on the literary culture.

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.        

answer; and function;

answer; for a democracy to work a society must have rule by law, protections for both civil rights and civil liberties tolerance of dissent, and acceptance of majority decisions by the minority; and people must trust there government;