Plz freaking help me, its really urgent How did the Chinese political system influence Kublai Khan’s government?

Kublai Khan kept Chinese bureaucracy in place.
Kublai Khan kept Chinese social classes as they were.
Kublai Khan kept the Chinese tax system in place.
Kublai Khan kept Chinese laws and fines as they were.

24-karat gold is considered to be pure gold. 18-karat gold is considered to be about 75% gold. what is 18-karat gold considered a mixture rather than a pure substance? a) it has a variable composition of other elements and minerals. b) its color is different than pure gold. c) the gold atoms are not arranged in a repeating pattern. d) it can be melted and transformed into a different substance.

Why couldn’t other societies utilize horses the same way the mongols could?

Which statement below best explains the main goal of manifest destiny during the 1800's? a to create an alliance between the united state and the mexican empire b to expand america's borders across the entire north american continent c to remove native americans from the united states' territory completely d to move settlers north of the great lakes to claim land from great britain