Nazis thought that killing jewish people, roma, and other groups would

a. only make those groups stronger.
b. purify the german race.
c. make germany a safer place.
d. prevent future wars.

They thought this would purify the "The German Race." Since they lost World War 1, they pretty much blamed the Jews. But when hitler came into power he used emotional text and propaganda to make the germans hate jews.

i do not know if this question has options, but a main impact of the federal reserve act of 1913, which created the federal reserve bank, was the international use of the u.s. dollar, which soon became the world's leading currency - particularly during world war i, since many nations around the world asked the united states for money.

d

explanation: