Respuesta :
It’s B because the us was allied with France and France got pulled into the war first
Hey there! The answer you are wanting is "The German use of unrestricted submarine warfare" or option D.
The Germans also tried to get Mexico to form an alliance with them against the United States! So you can definitely see the problem!
Hope this helps you out!!
The Germans also tried to get Mexico to form an alliance with them against the United States! So you can definitely see the problem!
Hope this helps you out!!