By the time american troops entered world war 1 the allies a. were determined to win war b. were using trench warfare c. were exhausted after years of fighting d. were pr er prepared to attack germany

By the time American troops entered World War 1 the Allies were exhausted after years of fighting. The correct option among all the options that are given in the question is the third option or option "c". The entry of Americans in the war boosted the morale of the Allied army. I hope the answer comes to your help.