When did the human population doubled from 2 billion to 4 billion?

How colonies justify their protest and ultimate rebellion

What do you think might happen if there were no limits on civil liberties

How were the slaves sold in mediterranean countries in the early african slave trade different from those sold in persia?

Name three important jobs of the Federal Reserve.

What did the union forces decided to attack in their effort to demoralize the South after 1863?

What were US interests in Cuba?

American efforts to protect the nation's identity after World War I was a result of A) labor union protests. B) the women's suffrage movement. C) tensions related to the Red Scare. D) a decline in mass media communication.

In the election of 1992 economic issues caused an incumbent president to lose to a relatively unknown governor what was the outcome of that election?

How does Fascism, Totalitarianism, and Authoritarianism play a role in world war 1?

What advantages did the Columbian Exchange bring to the people of the Americas? What disadvantages did it create in other parts of the world?