Answer: The United States had many reasons for going to war in 1812: Britain's interference with its trade and impressment of its seamen; Americans' desire to expand settlement into Indian, British, and Spanish territories; aspirations to conquer Canada and end British influence in North America;
Explanation:
It started in April 19, 1775, and ended in s<span>eptember 3, 1783.</span>
Himalaya Mountains is the answer
To declare boundaries between the thirteen colonies and the Appalachian Mountains, so American colonists couldn’t create tension with the French and Native Americans who live across the mountains.