What are some ways totalitarian rulers keep their power

Was the us justified in using the atomic bomb on hiroshima and nagasaki? why or why not?

What was the result on the u.s. economy because of the major changes in atlantic shipping prior to and during the war of 1812?

Which statement describes an important outcome of the congress of vienna? a. napoleon launched his final european military campaigns. b. european states had their borders clearly defined. c. jewish people were given equal right in germanic states d. the slave trade became increasingly important to european economies.