(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.
A. Seoul remained in the South and was the capital of SK. What makes it such a perilous position, is that it is located relatively close to the NK border.
A. Primary Sources are raw materials of time, original documents created at that time.