In what way did railroads and advances in communication affect geographic patterns in the United States?
A) They stalled the need for new inventions
B) They assisted in maintaining cultural traditions in an area
C) They changed the physical characteristics of a region
D) They stalled migration
the way that railroads and advances in communication affect geographic patterns in the united states is : C. They changed the physical characteristics of a region (since a lot of its natural form probably blown up by dynamite during the railroad making process)
