Answer:
1. Slavery
2. Republicans
3. Democrats
Explanation:
Slavery is the main reason the states fought and was a prevalent issue in the states for a long time mainly starting at the 3/5ths compromise. The two parties of Republican and Democrat were origianlly created as a single party, lead by Thomas Jefferson and James Madison, but were split into the Whig Party and The Democrats after a political division inside the party about the election of 1824. In the mid-nineteenth century the Democrats were split on the issue of slavery and eventually the Democrats in the north (+ the Whig Party and some other politicians) joined together to make a new Republican party that was against slavery (leaving the southern Democrats as pro-slavery).
Explanation:
The American Civil Liberties Union was founded in 1920 and is our nation's guardian of liberty. The ACLU works in the courts, legislatures and communities to defend and preserve the individual rights and liberties
The second one, I believe.
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Prior to the Industrial Revolution, which began in Britain in the late 1700s, manufacturing was often done in people's homes, using hand tools or basic machines. Industrializationmarked a shift to powered, special-purpose machinery, factories and mass production.