How did the nazis lead germany to war in europe and, with their collaborators, kill millions—including systematically murdering six million jewish people?

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.        

most cajuns resided in acadiana, where their descendants are still predominant