The one that was a factor in the U.S entry in world war I was :
B. the sinking of the Lusitania
Sowwy man i just needed the points
I think that it’s D because the confederate soldiers did never recover
The American soldiers were rested and brought energy to the Allies. The spirit of the Allied soldiers improved significantly. Unites States industries produced much-needed supplies for the Allies. Military equipment and food were provided to assist the Allies in their fight against the Central Powers.
European goods changed Native American culture forever.