Question

although leo szilard conducted the first atomic research, he was opposed to
testing atomic bombs in new mexico.
dropping atomic bombs on japan.
testing the atomic bomb on a deserted island.
sending a naval blockade to force japan to surrender.

Explanation:

Leo Szilard, a key figure in early atomic research, advocated for demonstrating the atomic bomb to Japan instead of using it on populated areas. He actively opposed the military's plan to drop atomic bombs on Japanese cities, believing it was unnecessary and morally problematic.

Answer:

dropping atomic bombs on Japan.