(1) The United States wouldn't interfere in the internal affairs of or the wars between European powers; (2) The United States wouldn't interfere with existing colonies and dependencies in the Western Hemisphere; (3) The Western Hemisphere was closed to future colonization; (4) Any attempt by a European power to oppress or control any nation in the Western Hemisphere would be viewed as a hostile act against the United States.
The correct answer is James Monroe.
On March 6, 1820, President James Monroe signed the Missouri Compromise which admitted Maine into the Union as a Free State and Missouri into the Union as a slave state.
Answer: I got 8/10 dont know last two
Explanation: