Explain how the 1920s was a decade of contradictions. What does the relationship between mass immigration and the rise of the Second Ku Klux Klan tell us about American attitudes? How might we reconcile the decade as the period of both the flapper and prohibition?

After world war ii, the world discovered that nazi germany had murdered millions of innocent people as part of the holocaust. seeing that human beings could treat one another so horribly changed the way many people looked at war, government, and minority rights. how could these changes have impacted the study of history?