The answer should be C- Rare Minerals. They needed these minerals to continue the war effort, and often purchased from Mexico Rare and Raw Minerals.
I hope this helps! :)
This policy was called "containment" - the idea was to contain communism from spreading to new countries without trying to actively challenge the communist system in the countries that already had it.
This policy lead to some proxy wars, in which the US fought the Soviet Union for the free countries.
The president is commander in chief and has the power to control the military. This allows him to enact martial law which can be used on our own soil to put down rebellions and threats to our public peace as well as our institution.
Basically my best bet is martial law.
Nationalistic music
Nationalistic music often sings about important national events such as independence, victories such as those of world war and unifying events such as the civil war. The theme is often that of rallying people into unity and nation building.
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I believe the correct answer is D.