The answer to the question above is the potato.
The product that the Spanish Conquistadors found in the New World and took back to Europe that greatly affected the growth of the European population, especially among the lower classes was the potato.
Answer:try this
The most difficult task confronting many Southerners during Reconstruction was devising a new system of labor to replace the shattered world of slavery. The economic lives of planters, former slaves, and nonslaveholding whites, were transformed after the Civil War.
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