Which describes a major challenge facing the builders of the transcontinental railroad?

A.

bridging the Rio Grande River

B.

spanning the Grand Canyon

C.

tunneling under Lake Erie

D.

crossing the Sierra Nevada mountains

Question

Kaelyn Pierce

History

3 April, 01:23

Which describes a major challenge facing the builders of the transcontinental railroad?

A.

bridging the Rio Grande River

B.

spanning the Grand Canyon

C.

tunneling under Lake Erie

D.

crossing the Sierra Nevada mountains

+2

Answers (1)

Know the Answer?

Porter Ray · Answer 1

"crossing the Sierra Nevada mountains" would be the best option, since the technology that allows us to do this today did not exist back then and it was much easier to bridge rivers than to cross mountains.

Which describes a major challenge facing the builders of the transcontinental railroad?A.bridging the Rio Grande RiverB.spanning the Grand CanyonC.tunneling under Lake ErieD.crossing the Sierra Nevada mountains

Which describes a major challenge facing the builders of the transcontinental railroad?

A.

bridging the Rio Grande River

B.

spanning the Grand Canyon

C.

tunneling under Lake Erie

D.

crossing the Sierra Nevada mountains