Where did most of the U.S. cities develop in the early nineteenth century
A) Along the rivers that lace the south
B) Along the coast and waterways in the north
C) Near the large plantations in the north
D)Along the railroad lines in the south
Most of the U.S. cities developed "B) Along the coast and waterways in the north" in the early nineteenth century, since this was where it was most advantageous to trade.