What caused slow progress during the construction of the Transcontinental Railroad?
Ahazardous mountain regions made work difficult
Bcompetition between railroad companies slowed down progress
Crailroad companies often had to spend time seeking out people to invest
Drailroad companies could not find enough laborers to work for low wages
Ahazardous mountain regions made work difficult
Bcompetition between railroad companies slowed down progress
Crailroad companies often had to spend time seeking out people to invest
Drailroad companies could not find enough laborers to work for low wages