Question

in 1945, what concern did the allies have about invading the japanese mainland with ground forces? they were worried they did not have enough soldiers. they were worried there would be too great a loss of life. they were worried the japanese were developing an atomic bomb. they were worried the japanese had a stronger fleet in mainland ports.

Explanation:

In 1945, the Japanese had shown fierce resistance in previous battles. An invasion of the Japanese mainland was expected to result in extremely high - casualties on both sides due to the Japanese's willingness to fight to the death, including civilian involvement in defense.

Answer:

They were worried there would be too great a loss of life.