Why did germany resume unrestricted submarine warfare in 1917?
a. it wanted to starve britain into making peace.
b. it knew that russia would soon be out of the war.
c. it didn’t think much of the u. s. as a military power.
d. it knew wilson was a pacifist who would avoid going to war.

The correct answer is A) it wanted to starve Britain into making peace.

Germany resumed unrestricted submarine warfare in 1917 because it wanted to starve Britain into making peace.  

Germany sunk the Lusitania Ship due to the Army of Germany resumed unrestricted submarine warfare in 1917. After the incident, the United States issued an ultimatum to Germany demanding the signing of the Sussex Pledge. Meanwhile, the Germans resumed unrestricted submarine warfare because it wanted to starve Britain into making peace. Finally, the Zimmerman telegram and the resumption of Germany of unrestricted submarine warfare forced the U.S. into the World War I.

the answer is b just took the test

i think the answer is b.