Supporters of the atomic bomb argued against the idea that the united states should not use the bomb against japan by

Noting that firebombing had already caused extensive damage in Japan.

Explanation:

Advocates of the bombs dropped on Hiroshima and Nagasaki argued that waiting for the Japanese to surrender would have cost many more lives.

Allied troops had already carried several air-firebombing on Japan throughout WWII, causing huge damage to many cities and killing at least 241,000 and up to 900,000 people. Those who supported the dropping of the bomb argued that, given the expected Japanese fight against an invasion, the atomic bomb was actually a way to save Japanese lives.

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