How did new railroads in the South Carolina affect the economy of South Carolina during the 1800s?

A) They allowed Georgia to open new seaports that decreased South Carolina’s trade.
B) They allowed planters to transport goods to the seaport of Charleston easily.
C) They decreased the privately owned railroads in South Carolina.
D) They ensured that Charleston remained a powerful port in the United States.

B) They allowed planters to transport goods to the seaport of Charleston easily.