Answer: the structure and role of the judicial branch.
Explanation:
Article III of the Constitution establishes the role of the judicial branch of the federal government and how it is structured. This article grants the judicial power of the government to the Supreme Court and allows inferior courts that Congress may create from time to time. Article III explains the powers and what is considered as treason.
Kennedy also made it plain that he supported the 'Domino Theory' and he was convinced that if South Vietnam fell to communism, then other states in the region would as a consequence. They believed that just a small increase in US support for Diem would ensure success in Vietnam.
C. the great plains in the united states