Question: Who came up with the idea to build the transcontinental railroad?
Answer: Dr. Hartwell Carver
Disambiguated annotations:
qaPairs: question: Who came up with the idea to build the transcontinental railroad and presented a plan to congress?
answer: Asa Whitney
Whitney
question: Who came up with the idea to build the transcontinental railroad and did much of the land survey work for determining the best route over the Sierra Nevada?
answer: Theodore Dehone Judah
Theodore Judah