Iwo Jima - although not strictly a stepping stone it gave the US an airbase that was reasonably far forward and at the same time deprived the Japanese of an airbase allowing bombing raids on mainland Japan to proceed with less interference.
Answer:
It took 8 years for Muhammad to conquer Mecca
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Go into hiding in the mountains
Hawaii and other Pacific islands; United States economic influence spreads through the Pacific. ... Supported American expansion as a way to increase national pride, spread civilization, and gain world power.
