Why was lwo jim’s a major step in the allies island-hopping campaign

lwo Jim’s major step was "Long rang bombing" This is because there is a large space difference between Japan and the U.S. The bomb successfully hit the U.S.

That was the first bomb to ever go that far. Fearing a drawn out war with many more casualties, the US made plans to end the war quickly and force Japan’s surrender. They achieved this with the World’s first Atomic bombs.

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