Why was the attack on Pearl Harbor so devastating?

Beside this, why was Japan's attack on Pearl Harbor so devastating?

Japan's surprise attack on Pearl Harbor would drive the United States out of isolation and into World War II, a conflict that would end with Japan's surrender after the devastating nuclear bombing of Hiroshima and Nagasaki in August 1945. At first, however, the Pearl Harbor attack looked like a success for Japan.

Secondly, why was Pearl Harbour so significant? Although Pearl Harbor started the Pacific War, a war that Japan would lose badly, the attack itself was no failure. The Japanese wanted to cripple the Pacific Fleet and give them the space to invade South-east Asia. They did: Japan won every major battle until Midway in June 1942.

Also Know, why was the attack on Pearl Harbor so important?

The attacks on Pearl Harbor galvanized the American people and they pulled together in unity, which helped create the United States into a world power. The unexpected attack on Pearl Harbor on Dec. 7, 1941, was an act of war before war was declared. The Japanese feared the Pacific fleet.

What events led to the attack at Pearl Harbor?

• 1937.
• July: Japan invades North China from Manchuria.
• 1940.
• July: U.S. imposes trade sanctions, followed by an embargo, aimed at curbing Japan's military aggression in Asia.
• 1941.
• January: Adm. Yamamoto begins communicating with other Japanese officers about a possible attack on Pearl Harbor.
• Jan.
• February: Adm.