I would say that C is the best answer here. Its showcasing an example in which the president ( the executive branch ) does not have all out authority to select the judges. It takes approval from the Senate, which is apart of the legislative branch.
Truman’s policy was more defensive than offensive. This can be seen in the Marshall Plan where he used economically to rebuild war-torn as an incentive to promote democracy. Though he would not use military force, He vowed to support countries against communism and this was seen in the establishment of NATO as a deterrent to Russian expansion.
It was 1/2 of the united states total land.
Isolating your self from others