Isolation
the united states concentrated more on domestic rather than foreign affairs A+Ls
isolation
American foreign policy in the years between 1820 and 1900 began with the establishment of the Monroe Doctrine, which warned European countries not to intervene in the affairs of Central and South America. It promised to protect the western hemisphere from European imperialism. It continued to exercise European neutrality.
The United States did!^_^
Journeys made across the United States in the mid-1800s were long and dangerous.
in the north
representing an increase in the available labor force.
The United States concentrated mostly on internal rather than external affairs. A+
Many nation states that existed in the 1800s are still here today. These include the United States of America, Republic of Canada, and the United Kingdom.
Oceans
slavery
The United States