Answer: C
Explanation: I would say that it's a significant role for government in the running of the economy.
President Truman fired General MacArthur for insubordination. Although Truman was committed to waging a limited war in Korea, preferring to negotiate with China and North Korea rather than expand hostilities, MacArthur openly disagreed with the president and threatened to attack China if it did not agree to terms of peace.
With the Arms and Space Races becoming increasingly important, Kennedy knew he needed to crush communism as well, to show the Soviets that it was unacceptable for their govt. to spread.
Tone is the attitude writers express through words they choose. Note that mood is the specific feelings that the reader gets from the authors text. The tone of Lincolns speech is sorrowful for the lost soldiers and determined to persuade his audience to take action.