Your answer is B Spheres of Influence
Not opinion, since this was actually the case and is up for littler interpretation.
Answer:
railroads were built to connect the east and west coast
Explanation:
Provide for the common Defense. Congress appropriates funds for national defense and has the power to declare war. By approving international agreements and the appointment of ambassadors, Congress also supports efforts to resolve conflict through diplomacy.
It was "B. Philippe de Vitry" who was a Medieval composer and was also a politician and author famous for his writings on music theory, since at the time not many people knew the fundamentals of such theory.
