The first farming settlements in China developed "along the rivers," since the rivers provided crucial irrigation for crops, which allowed for richer, more plentiful harvests.
Answer: Due to the protection of the domestic market.
Explanation:
One such tariff was enacted in 1816. This was the first tariff of such a character; customs duties were imposed on imported goods to protect domestic products from foreign competition. In this way, the government protected the domestic market. To protect national interests, customs were placed on industrial goods, especially on products of the military industry.
In 622 Muhammad fled Mecca after hearing of a plot to assaninate him.
Well, I am pretty sure that the correct answers will be C and D. This is because when people had traveled with Marco Polo they had seen all of the opportunity that they were missing when they weren't trading what they had traded with the Orient when they first started. The Crusades influenced a lot of people to start trading with others I personally think that they forced some people to do it but we don't know that for sure.
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Catherine de Medici was the person