German unrestricted submarine warfare ultimately resulted in the U.S. joining the Allies during WW1 in 1917. The use of submarines was a violation of U.S. neutrality, and it went back on the promise Germany made in the Sussex pledge.
The correct answer is C: A free-market economy works well only without the government’s interference.
The correct answer is: <span>the fifth amendment </span>
If I remember it correctly, D. the cotton gin led to more slavery as one of the surge in production required more slaves to get the cotton.