The scientific scholars that are described by the details present in the question provided would be the political anthropologists. By definition, a political anthropologist is a scientist that mainly do his research in the field of analysing the history and the processes of politics as well as how it impact the society.
I'm pretty sure it was the 13th Amendment, which abolished slavery. Hope this helps :)
The answer to your question is mild admiration.
In 1681, King Charles II<span> gave a large piece of his American </span>land<span> holdings to </span>Penn<span> to get rid of the debts the king owed to </span>Penn's<span> father.</span>