The correct options are: <em>strengthen national defense</em> and <em>supply more raw materials. </em>
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.
The implied protection of a right under the coverage of a more broad constitutional protection is said to be within the penumbra of constitutional protection.
