What event occurred that forced the American government to abandon their isolationist view of the war?
a. The Germans invaded Stalingrad.
b. The attack on Pearl Harbor.
c. The sinking of the Lusitania.
d. The Battle of Dunkerque
It was the "attack on Pearl Harbor" that forced the American government to abandon their isolationist view of the war, since this was a direct and intentional attack on the United States which needed to be avenged.
