What was the significance of the Battle of Midway for the Americans?

What was the significance of the Battle of Midway for the Americans?

a. Japan’s defeat would be a turning point toward American victory in the Pacific
b. Japan’s defeat would allow the Americans to invade the Philippines
c. America’s successful defense of the base would allow them to move more troops to Europe
d. America’s successful defense of the base would allow them to leave the Pacific entirely