Which factor most contributed to the united states' decision to enter world war i?

Germany attacking merchant ships that carried American civilians

Explanation:apex

i think the answer is: cuba wanted to be independent from spain, and the u.s. wanted to end spanish rule in the west.

hope i

-lavira : )

the steam engine.

the locomotive.

the telephone.

the telegraph.

the internal combustion engine.

the rifle.

ironclad ships.

electricity/light bulb.