Y’all are smart, help me out here ! :)

Explanation:

The differences between the League of Nations and the UN begin with the circumstances of their creation. ... First, whereas the Covenant of the League was formulated after hostilities were ended, the main features of the UN were devised while the war was still in progress

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:

the roman army grew in size and became dominant in the mediterranean region.