Question

How did submarine warfare impact the U.S. decision to enter the war?

The United States felt they could positively impact the war for Allied forces through new submarine technologies.

The United States felt compelled to enter the war in response to Germany's use of submarines to kill civilians.

The United States entered the war because Germany used submarines to destroy British shipping.

The United States entered the war after Germany destroyed American made submarines.

Answer 1

A i think :)

Answer 2

no

Answer 3

Then what?

Answer 4

i will select "C"

Answer 5

Oh yea that makes more sense xD