Need answer asap which was a consequence of the united states’ entry into world war i? russia troops pulled out of the war as the presence of american troops made it unnecessary for them to continue to fight. mexico attacked the united states in order to reacquire territory it had lost in the mexican-american war. german troops became demoralized and eventually surrendered in the face of the arrival of fresh us troops. ottoman forces shifted their troops to fight against the allied powers on the western front.