Answer:
Precedent
Explanation:
The United States is a common law system, which means law is built on cases that came before it. So a Justice, and any Judge/lawyer, looks to precedent when deciding how to proceed in a case.
The United States would be protected by Spain if a conflict with England arose.
Explanation:
Japan's isolation came to an end in 1853 when Commodore Matthew Perry of the United States Navy, commanding a squadron of two steam ships and two sailing vessels, sailed into Tokyo harbor. He sought to force Japan to end their isolation and open their ports to trade with U.S merchant ships