The answer is Louis the XVI (16th)
The Arab Spring in Libya deposed Gadaffi of power and began the Libyan Civil War because of the power vaccum left after the death of Gadaffi.
Personally, I think it's because it was simple and free entertainment. Given that there wasn't a taboo around death and watching others die, and it actually being encouraged, like how it was in Anciient Rome, I'd say a lot of people would actually at least try out visiting a gladiatorial contest.
Answer:
Plessy vs Ferguson
Explanation:
This case made it that segregation was legal, when Plessy lost his case. It stated, “separate but equal”.
The laws regarding the segregation were called Jim Crow laws. It enforced racial segregation until 1965.
The theory that you are looking for is "the Divine right theory".
This theory claims that only certain people who were given the divine right to do so can create countries and that royalty is supposed to exist as rulers, without being questioned.