B because they were the suing the school board
Answer:
D. cultivate certain crops
Explanation:
In the Columbian Exchange, Europeans were exposed to new crops that they have never seen before. These included potatoes, corn, sugar, and more. Europeans would bring these new crops back to Europe and begin to use them to their advantage. Heck, potatoes single handedly saved the majority of the European population from starvation.
The protective tariff was an economic cause of the increased tension between the North and the South.
Economically, the North had a lot of factories and had become industrialized. The south on the other hand still depended heavily on Agriculture.
High protective tariffs were placed on foreign goods to favor the Northern Industries. This meant that people had to buy more from the North.
This tariff favored the North but caused greater burden on the South who had to pay more for goods that they imported from Europe.
In conclusion the protective tariffs helped to boost the economy in the North while hurting t the south.
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I believe that would be Genghis Khan