<span>A. the relationship between the size of a certain area and the number of people who live there</span>
NATO was created to counter Russia's (formally USSR) military power and it has expanded in recent years.
The laws guaranteed equality between the rich and the poor.
The Mongols were very tolerant towards foreign culture. In fact there weren’t an centralized culture/religion because the empire was so diverse. Thus, the answer is the second one- The Mongols supported and spread different arts and cultures throughout the empire.
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