The most thoughtful answer is b
Answer:
C.The Aztec civilization was ruled by an emperor and had about four hundred tribute states.
Explanation:
The aztecs were a warriors civilization they conquered the vast majority of the mesoamerican tribes and were all under their control, they took ributes from them and had the greatest capitol city in the americas, were very organized and had a centralized control government, this was the emperor who decided and guided the empire.
Explanation Answer:
The Rise of the Merchant Class In contrast, Northern and Central Italy had become far more prosperous, and it has been calculated that the region was among the richest in Europe. ... This change also gave the merchants almost complete control of the governments of the Italian city-states, again enhancing trade.
The last one
One of the main reasons why this occurred was because demand for furs increased dramatically in Europe, due to their value that could be used to buy spices and other goods.