Why might some people think communism is a better way to run an economy

What meeting was held to change the articles of confederation?

How do conflict minerals, and in particular, conflict coltan get their name? what groups benefited from the trade in conflict minerals? what group were hurt by it?

Which landmark supreme court case ruled that segregation by race in public education was unconstitutional? a. miranda v. arizona b. plessy v. ferguson c. brown v. board of education of topeka d. alexander v. holmes county board of education