What role did nationalism and alliance systems play in the outbreak of the first world war?

What happened between 1804 and 1815

What was the “u-2 incident” and how did it affect u.s./soviet relations in 1960?

Which of the following statements about slavery is not accurate? a. slavery in the americas was no different than slavery in ancient greece or rome. b. beginning in the 1600s, slaves began to be viewed as property, rather than people. c. slavery did not originate in the americas. d. slavery was very important to the economy of the american colonies.