Which was a difficulty the builders of the transcontinental railroad had to overcome?

A.

meeting the demands of skilled union workers

B.

providing supplies to build tracks and support workers

C.

bridging the Grand Canyon and Rio Grande River

D.

building on the wet, marshy soil of the Great Plains

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9 January, 06:21

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Jabari Parker · Answer 1

Its a the ubion workers were a big factor before the chinnese

Which was a difficulty the builders of the transcontinental railroad had to overcome?A.meeting the demands of skilled union workersB.providing supplies to build tracks and support workersC.bridging the Grand Canyon and Rio Grande RiverD.building on the wet, marshy soil of the Great Plains