Khan's empire did not unify the Chinese provinces.
Explanation:
Ghengis Khan was an Emperor who ruled over Mongolia, and he's the grandfather of Kublai Khan. However, during his reign, he conquered many areas in northern China olnly. This is in contrast to Kublai Khan, who was widely considered as the first Mongol to rule the whole of China when he overcame the remaining Song loyalists. This was accomplished around 1279.
Hence, the correct answer is Khan's (, Ghengis khan) empire did not unify the Chinese provinces.
The permanent legacy of the crusades includes of having the
deep bitterness between the Muslims and Christians and that they have continued
and flourished of having to have and maintain commercial contact between the
Muslim people and the European people.
The occupation that it referring to is : skilled and unskilled miners
This treaty was enacted in 1880 , back then the job as a miners is pretty much the equivalent of today's engineer in the term of hotness and availability.