What happened in 1917 to boost the morale of the Allied Powers in World War I?

A A German submarine sank the Lusitania passenger ship.
B The Allies intercepted a secret message detailing German plans.
C The US mobilized more than 4 million troops.
D Thousands of German soldiers surrendered to the Allies.

Respuesta :

C Sélective Service Act of 1917 passed drafting 4 million troops

Answer:

The answer is C). The US mobilized more than 4 million troops .

hope this helps or helped !! <3 .

Explanation:

i got it right on the edg unit test review