How did the attack on pearl harbor change the course of world war ii?
a)germany could no longer access the oil wells of the middle east and launched an attack on the soviet union.
b)the japanese gained a base in the pacific, them strategically defeat the allied nations.
c)the united states entered world war ii, making the allies stronger and better equipped to defeat the axis powers.
d)the liberation of france from german forces was possible only because the united states joined the allied forces.

The attack on Pearl Harbor changed the course of World War II since the United States entered World War II, making the Allies stronger and better equipped to defeat the Axis powers.

The attack on Pearl Harbor was a surprise military attack perpetrated by the Imperial Japanese Navy Air Service upon the United States (a neutral country at the time) against the naval base at Pearl Harbor in Honolulu, Hawaii on Sunday morning, December 7, 1941. Consequently, the United States formally entered World War II the next day.