A researcher designs a study where participants are randomly assigned to one of the two groups--one is run at night and one is run during the day. Each participant in each group is then measured twice, under two different conditions, red and blue. This is best described as a(n) design.

Situation #1: imagine that you are a free black male living in columbus, oh in 1863. you have seen the recruiting poster and have been thinking a lot about whether or not to enlist in the union army. write a one-page letter (double spaced) to your mother telling her of the decision you have made about enlisting (or not enlisting). be sure to explain the reasons that caused you to make the decision.

What were the nuremberg laws? who did they target and how? list 3 ways people were targeted by the nazis.

Where is sub-saharan africa located?