In which year, America joined the Second World War

Solution (By Examveda Team)

The United States joined World War II in 1941.

This happened after the attack on Pearl Harbor by Japan on December 7, 1941.

Following this attack, the U.S. declared war on Japan on December 8, 1941.

Soon after, Germany and Italy declared war on the United States, bringing America fully into the global conflict.

Therefore, the correct answer is 1941.