Answer:
Antietam enabled the Union to repel the first Confederate invasion of the North. A tide of momentum swept Robert E. Lee's Army of Northern Virginia—fresh from a successful summer campaign and victory at the Second Battle of Bull Run—onto Union soil for the first time on September 3, 1862
They didn’t oppose it they’re for Lincoln bc Lincoln was a republican and democrats owned slaves and republicans freed the slaves
Executive branch (president), Legislative branch (senate and house of representatives), and Judicial branch (supreme court and lower courts)
Africa's resources were depleted and given to the American Colonies, which hurts their economy up to this day. Also, South America's natural resources were depleted (ie: Aztec gold) which hurt their economy as well. There's probably many more effects but heres one