The answer is C for #12 and B for #13
The plantation system was developed in the Southern colonies of the US. A plantation system/economy is an economy based on agricultural mass production, usually of a few staple products grown on large farms called plantations. The Southern Colonies was where the plantation system and lifestyle really flourished because of the better climate and (in most cases) soils and because the necessary labor (slaves) were more accepted as part of life than in the New England, Western, and Middle colonies.
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