Question

HELP Why did the United States enter World War II?

Italian army units invaded Egypt, threatening the Suez Canal.
A German submarine sank the Lusitania, killing 128 Americans.
German military forces conquered France in only one month.
Japanese bombers attacked the U.S. Naval base at Pearl Harbor.

Answer 1

Japanese bomber attacked the U.S. naval base at pearl Harbor

Answer 2

After the Japanese bombed Pearl Harbor