Which answer best explains a reason people wanted to build a railroad across the United States?

The railroad companies wanted to put the canal builders out of business.

The government wanted the route completed before the Civil War started.

The railroad companies wanted to prove they could build such a long track.

The Gold Rush of 1849 inspired the railroad companies to try to get trains to California.

Question

Which answer best explains a reason people wanted to build a railroad across the United States?

 The railroad companies wanted to put the canal builders out of business.

 The government wanted the route completed before the Civil War started.

 The railroad companies wanted to prove they could build such a long track.

 The Gold Rush of 1849 inspired the railroad companies to try to get trains to California.