According to the lesson, the basis of our laws is called the

(byzantine empire)

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:

answer placeholder because the system is messed up

d) in the state of iowa