The correct answer here is the option B.
The court system in the United States is hierarchical thus it follows a chain of command if you will, of supremacy. The highest legal authority in the United States is the United States Supreme Court which has the final say in the issues concerning the legality of the laws and the interpretation of the Constitution. Thus they hear appeals from the lower courts as the Supreme Court is the highest appellate court in the country.
The main reason why the United States largely shied away from imperialism prior to 1890 was because it was still a relatively "fragile" nation with a host of its own issues to work out--such as the slavery issue that eventually led to the devastating Civil War.
British general William Howe ordered his troops to cross the Charles River and attack the American troops atop Bunker Hill
