Why were people prone to invest in risky schemes in the 20s?

Which of the following describes an effect of world war ll on the united states economy a. automobile companies produced a record number of cars b. many factories had to expand to produce military equipment c. the airplane industry suffered as the allies began using airplanes in combat d.cities with shipyards declined because so many ships had been sent overseas.

In 1983 nixon became the first us president to

Which prompted european exploration during the age of discovery quizlet