Using Source 1, which statement best explains how changes in railroad networks affected cattle kingdoms?

Question

A. 

The expansion of railroad networks enabled ranchers to transport cattle to the East and expand into new markets.

B. 

The expansion of railroad networks increased available land for cattle drives and the open range.

C. 

The development of railroad networks started land disputes between cattle ranchers and farmers.

Answer 1

A. The expansion of railroad networks enabled ranchers to transport cattle to the East and expand into new markets.