Forced labor continued because It was mainly for black people. Many people at the time and still are very racist. Forced labor persisted after the Civil War because it was a crime in the south for any farm worker to search for employment from a new employer without permission from the old employer.
Our constitution created a system of checks and balances to insure that no one branch of government becomes too strong and be able to control all of the government
Most of the battle sites were located near water, including rivers, lakes, or ocean. American and British armies traveled by boat, so battles occurred near the bodies of water they were traveling on.