Eugenics is the: select one: a. study of the supposed mental characteristics of different races. b. movement toward colonization in africa by blacks from the united states. c. practice of using poison gas by the germans during world war i. d. socialist strategy of infiltrating labor unions in the united states. e. genetic modification of human behavior.

the federalist party which advocated strong centralization dominated the united states government till 1800. so 1800 election transformed the power from one party to another party for the first time and was thus a turning point in american history. so jefferson called it "revolution of 1800".

explanation:

because the vietnam war was fought in an especially brutal and untraditional way