Question

Which of the following most affected the course and outcome of World War I?

Select one:
a. Allied withdrawal from the Turkish peninsula of Gallipoli
b. British victories in the Sinai that secured the Suez Canal
c. American military and financial intervention in the war
d. the switch in allegiance of Italy from the Central Powers to the Allies

Answer 1

the answer is c: american military and financial intervention in the war

if its wrong my bad......