In the 1800's due to the Wars Of Independence, France was a friend of the USA. It thus felt threatened if its friend, the French, were heavily beaten.
Many different groups helped in the building of the Korean Wall.
Answer:
The Treaty of Paris
Explanation:
the British Crown formally recognized American independence and ceded most of its territory east of the Mississippi River to the United States, doubling the size of the new nation and paving the way for westward expansion
