enemies
They were.
Some of their main enemies were the Chinese and Slavic Europeans during their expansion westward.
The Chinese were the cause of the fall of the mongols
Oxen and Roosters are the Snake's best friends. Pigs are Snakes mortal enemies.
The mongols adopted some features of the Chinese style of government.
The Chinese.
The Mongols' skill on horseback allowed them to launch surprise attacks against Chinese towns.
Mongolians were enemies of the Chinese
The mongols adopted some features of the Chinese style of government.
No, the Chinese used gunpowder before the Mongols did. So did the Jurchens, who conquered northern China in the early 1100s. The Mongols undoubtedly acquired knowledge of gunpowder weapons from the Jurchens and the Chinese.
They discriminated in that punishments for crimes were not the same for the Chinese.
The Mongols tolerated Persian religions but suppressed Chinese religions.