The correct answer is C. the number of inland freshwater swamps around the coast. During the 1730´s, when the colony of Georgia was established, the cultivation of rice was in a high level in South Carolina. After many Georgians saw the benefits of slave work in rice plantations was profitable. Another important fact is the amount of rivers that Georgia has, which was linked to the freshwater swamps on the coast. Serious rice production was developed in the freshwater swamps and along the main tidal rivers, such as the Ogeechee, Savannah River, Altamaha, St. Mary’s and the Satilla. Since wet rice was more demanding to cultivate than any other kind, rice plantations started moving inland as a result of the development in agriculture such as irrigation systems, levees, ditches, culverts, and other constructions.