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

Answer 1

He was opposed to dropping atomic bombs on Japan. Szilard helped circulate the July 1945 "Szilard Petition" urging President Truman not to use the bomb on Japanese cities without warning and proposing alternatives (a demonstration on an uninhabited area or a naval blockade).