Answer: A
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. because they exported so much wheat and grains
The Middle Colonies comprised of colonies from New York, Pennsylvania, Delaware, and New Jersey. The colonies had fertile soils and produced a huge amount of wheat and grains. They were able to provide food for their own people and export
Democracy is efficient in the sense that it allows people to have free will and vote for what they believe is right, Democracy also allows the people to have control, which you will not find dictators.
England's southern colonies in North America developed a farm economy that could not survive without slave labor. Many slaves lived on large farms called plantations. These plantations produced important crops traded by the colony, crops such as cotton and tobacco.
And
Throughout the 17th and 18th centuries people were kidnapped from the continent of Africa, forced into slavery in the American colonies and exploited to work as indentured servants and labor in the production of crops such as tobacco and cotton.
Answer: these web sites will help you!
https://www.unrv.com/economy.php
https://www.dcs.k12.oh.us/cms/lib/OH16000212/Centricity/Domain/293/Rome_Enrichment.htm