America should steer clear of foreign alliances when it has liberty to do so
Yes it's true that the 13th Amendment abolished slavery in 1865 at the end of the Civil War.
China was influenced by foreigners politically, socially, and economically during the Ming Dynasty. Missionaries come into China bringing both Christianity and technology. China struggled foreigners influence by kicking out the Mongols. Also, China began to detach itself and limited the foreigners’ trading posts.