Why did President Harry Truman decide to drop atomic bombs on Hiroshima and Nagasaki?

Why did President Harry Truman decide to drop atomic bombs on Hiroshima and Nagasaki?

In the World War II chapter of our textbook, review The Manhattan Project and Atomic Warfare section and the

Debating the Past essay on The Decision to Drop the Atomic Bomb. Based on that review and our discussion in class, participate in Discussion Forum #1 on these questions/topics:

Why did President Harry Truman decide to drop atomic bombs on Hiroshima and Nagasaki?

What other options did he have?

Do you believe the decision to drop the atomic bomb(s) was correct — and why or why not?