They spread their food around the world especially rice and some others

Constructed bridges and other modes or infrastructure and transportation

Genghis Khan established religious tolerance throughout the empire

Genghis Khan established the capital of the empire with government

this encouraged individuality and helped the empire have their own ideas and not be forced into their beliefs

Muhammad II was Known for causing the Mongol invasion of Khwarezmia which ended in the complete destruction of the mongol empire

Men could marry as many women as they wanted which was uncivilized

Men could marry as many women as they wanted which was uncivilized

They made people who didnt surrender either suffer or be killed which was very uncivilized

They Would slaughter entire towns in very harsh ways whic is very uncivilized