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

(1 point)
Responses

lack of morale and willingness to fight among Americans

lack of morale and willingness to fight among Americans

Japanese superiority in population and economic power

Japanese superiority in population and economic power

support for Japan from the Philippines

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

Japanese superiority in population and economic power