Answer:
In 1279, Kublai became the first Mongol to rule all of China when he conquered the last of the Song loyalists. ... Despite adopting and improving on many Chinese systems and ideals, Kublai and his Mongols did not want to become Chinese – they kept many of their own customs and remained unassimilated to Chinese life
Isaac Newton discovered the universal law of gravitation
<span>Vietnam showed that the us could not always just play kingmaker and intervene in a country to stop it from becoming strategically unfavorable in a global sense</span>