There are 5 main reasons why the US joined World War 1 I don't know which reasons you have already listed so I'm just gonna say all 5 the 1st one would be German atrocities in Belgium 2nd would be economic interests 3rd would be sinking of the Lusitania the 4th of the unrestricted submarine warfare and the 5th would be the zinmerman telegram
It affected women in the U.S because of how they were only there at home when usually their husbands were out fighting for the war. This provided more job opportunities for women and caused them to be the "head of the house".
forced german troops to evacuate france and belgium
