Slavery began in America as early as the 1800s
I believe that the senate has more continuity than the framers planned because most senators win reelection.
B. They didn't have to be built next to streams and bodies of water.
The Civil Rights Act of 1866, 14 Stat. 27–30, enacted April 9, 1866, was the first United States federal law to define citizenship and affirm that all citizens are equally protected by the law.
Well, freedom was a pretty important aspect of the enlightenment. It was in fact during this enlightenment era that American fought for and gain its independence. The declaration of Independence was very much influenced by Enlightenment philosopher, John Locke's ideas on human independence.
You can look up how John Locke influenced the US Declaration of Independence