Which statement provides the best introduction to the passage? . Carver, one of America's most famous agricultural scientists, is known for his research of crop rotation. Carver is also famous for his research work on peanuts, as he found many practical uses for them. He also emphasized planting peanuts to restore nutrients to the soil. Carver turned the southern states from cotton-growing farmlands to multi-crop farmlands. Farmers were able to use their crops in various profitable ways with the help of his discoveries. They were able to have better farms and happier homes because they had a lot of food. Also, the farmers were able to sell their surplus products to earn extra cash.