<span>Yuan Dynasty after Kublai Khan's death-began to fade, families argued over who would rule & Chinese rebels overthrew the Mongols</span>
When it comes to race it usually delayed the admissions of the states into the Union. For example the states with majority population consisting of Mexicans and Native Americans were not allowed into the Union until the Congress opened those lands for white settlers. The issue of gender impacted the admissions less, the difference was in the level of commitment to the women's rights.
Joseph Stalin was able to establish such a strong communist presence in Eastern Europe following World War 2 because of strong military, economic, and diplomatic pressures.
The correct answer is letter C.
The law of demand says that, as a rule, price and quantity required in a given market are inversely related.
In other words, the higher the price of a product, the less people are willing or can include (everything else unchanged).
When the price of a welfare, overall purchasing power decreases (income effect) and waste changes to cheaper goods (substitution effect).
Other factors may also affect demand.
The two main sources are Maps and Artifacts