Answer: Industry advanced onward and drew millions of workers into the new cities. urban population increased seven fold in the half-century after the Civil War. Much of America's urban growth came from the millions of immigrants pouring into the... by a number of causes, what historians typically call “push” and “pull” factors.
Explanation:
I DON'T KNOW IF I GOT THIS RIGHT SO DON'T BE RUDE.... and i'm sorry if u got this wrong
War of 1812 is one of them.
