Answer:
After the "Treaty of Paris" (1783 when the American Revolution ended), some other conflicts involving European countries were going on, which affected foreign trades with U.S. merchants. Thus restraint from war affairs, and other neutral deals, such as the "Embargo Act" from Jefferson's foreign policy or the "Non-Intercourse Act" around the early 1800s, were required with several nations in order to foster the American Expansion since the United States as a country was not strong enough yet, until it got to be.
Step-by-step explanation: