Select all that apply. some americans thought the united states needed additional possessions in the caribbean and pacific for the following reasons: gain additional protectorates strengthen national defense increase colonial power supply more raw materials

The correct options are: strengthen national defense and supply more raw materials.  

American people believed that the more military bases the Unites States had outside the country, the better. It was believed that those bases would help the government to improve the national security.

On the other hand, international commerce all around the world would provide at a low cost the essential raw materials to the military forces.

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