The correct answer is the Supreme Court.
The Supreme Court is the most powerful court in the United States. This court, which is considered the judicial branch of the federal government, is responsible for hearing cases in which citizens rights may have been violated. From there, the Supreme Court uses its power of judicial review in order to make a ruling that will effect the entire country.
The concept of judicial review essentially allows the Supreme Court to determine whether a law is constitutional or unconstitutional.
The transcontinental railroad transformed the west because it made the idea of manifest destiny so much easier to achieve. The railroads also gave access to many trade spots, which in result connected them all, making the economy of America BOOM.
Providing military/navy support ?
Answer:
the Constitution explicitly assigns the president the power to sign or veto legislation, command the armed forces, ask for the written opinion of their Cabinet, convene or adjourn Congress, grant reprieves and pardons, and receive ambassadors.
another Answer:
Congress shares with the president the power to make treaties and to appoint ambassadors. As for the president himself, he is assigned only two powers relating to foreign affairs: he is commander-in-chief of the armed forces, and he has the power to receive ambassadors.
