I think it's called a merit system after the spoils system but I'm not 100% sure
One of the effects was the North asking the South to free the slaves. However, the south did not want to, and so it became the reason for the North to get ready for the Civil War.
hope this helps
Island hopping is the U.S. strategy against Japan in ww2. By taking important Pacific islands and building military bases on those islands, the U.S. slowly advanced towards mainland Japan and prepared for invasion.
A) Deterrence is the answer.
