Why did the US final support involvement in the world war I

on april 4, 1917, the us senate voted in support of the measure to declare war on germany. the house concuered two days later germanys resupmtion of submarine attaks on passenger and merchant ships in 1917 became the primary motivaton behind wilsons decision to lead the united states into world war 1

answer; when one group has an extremely high score at pretest;

i am pretty sure it is d.