The Mongols were an empire that succeded in preservating their culture and their ways thanks to the comercial spirit they had.
They traveled all around Asia conquering territories and using their abilities for diffusing their culture by the means of selling and offering their products.
They were a culture opened in the sense that everyone could chose what to believe and how to live, this was a way of showing Asia how they lived and inspiring millions of people to be part of the culture.
This characteristic has made the mongols remain as a culture and it continues the enlargement of their followers.
For the first one The institution of slavery contradicted the foundation of the American society because till this day people of color are still being treated horrendously due to their ancestors and their teachings to the newer generation. Also it contradicted it because Americans had their amendments but it didn’t apply to slaves .