What data collection method was primarily used by Mary Pattillo to study the influx of black professionals into a
Chicago neighborhood where many lower-class blacks already
lived?

What were some benefits of the lewis and clark expedition?

Which powers best complete this graphic?

What was the name of the theory that said that if one country in a region fell to communism, others would surely follow? 1) domino theory 2) arms race 3) brinkmanship 4) containment theory