Saint Patrick a. was an Italian monk from the 500s.

b. converted the Irish to Christianity.

c. created rules for how monks should live.

d. helped Charlemagne conquer parts of Europe.

The main reason the us senate rejected the treaty of versailles was because, isolationists felt the us should not have gotten into the war. republicans had gained power in the senate. democrats had gained power in the senate. european nations wanted to punish germany.