What industry had the greatest impact on the economy in the 1920's

Define the term brutalization effect and describe in your own words why you think this occurs and how it conflicts with the ideas of deterrence theory.

In 1819, what did the united states obtain from spain for $5 million?

Which of these statements describes a long-term impact of european imperialism in africa? a. african countries joined together to present a united front against imperialism. b. europeans paid african countries after colonizing them, offering these new countries a fresh start. c. european powers drew the current borders, splitting ethnic groups among modern countries. d. africans became more loyal to their countries than to their ethnic groups.