Why did the practice of sharecropping by tenant farmers tend to result in lower agricultural prices?

Sharecroppers paid rent with a portion of their harvest and often had little money or land of their own. To earn enough to meet their obligations and support themselves, they had an incentive to grow and sell as much as possible. The resulting large supply of crops tended to push agricultural prices down, so the correct choice is “Tenant farmers needed to produce large harvests to survive economically.”

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