How did the british challenge us neutrallity in the war between france and britian

When were the exodus of farm workers during the depression

Brainliest to who answers! what is the function of a purchasing cooperative, or co-op?

Martha participates in a research study in order to receive extra credit for her psychology class. when she arrives in the research office she is given a can of what looks and tastes like beer, but which actually contains no alcohol. in the adjoining room martha's classmate karen is also participating in the study. karen receives a can of alcoholic beer. if the experiment was designed to test the effects of alcohol on concentration, then who is exposed to the independent variable?