List three reasons why the united states entered world war 1

Zimmerman Note

German diplomat wrote a letter to Mexican government asking to attack the US in exchange for lands that Mexico used to own in the US

Russian Revolution

Woodrow Wilson did not agree with Russian alliance with the Allies because Russian was totalitarian

Economic issues

loaned lots of money to Allied Powers; if Central Powers won the US wouldn't be paid back

i just need the points

explanation:

the noble might have thought that the system was far because they had lot of things and riches and the serf would have thought that the feudal system was un fair because of the way they were treated.