Respuesta :
3, It's not 1 because the civil war happened from 1861 to 1865. Andrew Jackson was elected in 1829. And westward expansion started around early 1800s. None of them are related to the American Revolution which is from 1776 to 1783
Answer:
4. The westward expansion of the united states.
Explanation:
after the american revolution an expanse of people flooded over the mountains.