Its purpose was to facilitate the assimilation of the Native American population into mainstream American society.
Genghis Khan is the founder of the Yuan Dynasty, which was actually founded during his grandson's rule. Kublai Khan, took the next step of the founding of the Yuan Dynasty to Genghis Khan, his ancestor. In the Chinese Ming dynasty, Yuan dynasty was considered to have a great influence.
The correct answer is: the US warning European interference in Latin America would lead to US intervention
The Roosevelt Corollary states that the US would intervene if European countries got themselves involved in Latin American politics.
So, the US warning that European influence is the most spot on answer as it succinctly reflects the Roosevelt Corollary.
Constantine moved the capital to Byzantium, which he renamed Constantinople. =)
