In the deadliest tsunami in history the indian ocean tsunami of 2004 was generated by

The cause of the 2004 tsunami was an earthquake.

Explanation:

It was an earthquake of 9.0 magnitude with an epicenter in the Indian Ocean near the coast of Sumatra which became the reason for a devastating tsunami in 2004.The movement of the tectonic plated displaced a huge amount of water and sent strong shock waves across the ocean, which affected the coastlines of 11 countries and resulted in more than 200,000 victims.

nuclear fission produces the atomic bomb, a weapon of mass destruction that uses power released by the splitting of atomic nuclei the fighting in iwo jima and okinawa affected the allies' pacific strategy because truman decided to drop the atomic bomb on mainland japan.