Question

HELP ME PLZ AND THANKS

Which factor contributed to the United States’ involvement in World War II? A a surprise attack on a U.S. naval base
B the widespread use of yellow journalism
C the protection of U.S. foreign investments
D a utilization of unrestricted submarine warfare

Answer 1

a

Step-by-step explanation:

it was a suprise military attack by the imperial Japanese naval air service upon the united states against the naval base at pearl harbor in Honolulu, Hawaii.

Shorter version and less historical- it was an attack on pearl harbor that suprised the united states and forced them to join cause the united states to go into the great depression.

Answer 2

C

Step-by-step explanation: