In the mid to late 1800s, the us government granted land to railroad companies to expand their networks. what is another way that railroad companies used the land? a)they mined the land for coal and other natural resources. b)they sold the land to farmers and ranchers. c)they built factories along the rail lines. d)they created land preservations in order to protect the environment.

In the mid to late 1800s, the U.S. government granted lands to railroad companies to expand their networks. Railroad companies, also used the land b) they sold the land to farmers and ranchers. Ten square miles of land for every mile of track was granted by the government so that the companies would sell the lands to help pay for the construction costs. Railroad companies developed undeveloped lands and then sold them to farmers and ranchers.  

the answer is c.

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where is the passage

i cant solve it without knowing the passage