Which of the following presented a major challenge to U.S. military efforts in the Pacific?

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1 point
lack of morale and willingness to fight among Americans
Japanese superiority in population and economic power
support for Japan from the Philippines
the long distances between the United States and battle sites in the Pacific theater

the long distances between the United States and battle sites in the Pacific theater

In what way did the efforts of the Tuskegee Airmen contribute to the hopes for improved civil rights in the United States?

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1 point
The Tuskegee Airmen showed that integrated fighting units could work well.
The efforts of the African American Tuskegee Airmen during the war built determination to win civil rights after the war.
The Tuskegee Airmen refused to fly until civil rights for African Americans were expanded.
Because of the fine performance of Tuskegee Airmen in battle, the U.S. government integrated the armed services

The efforts of the African American Tuskegee Airmen during the war built determination to win civil rights after the war.