What impact did the Transcontinental Railroad have on the development of the western United States? Hindered settlement Encouraged urbanization Slowed economic growth Facilitated westward expansion None Which city served as the eastern terminus of the Transcontinental Railroad? Sacramento Omaha Promontory Summit Cheyenne None What effect did the completion of the Transcontinental Railroad have on transportation and communication in the United States? Slowed travel and communication Limited regional trade Accelerated travel and communication No significant impact None Which immigrant group made a significant contribution to the construction of the Central Pacific portion of the Transcontinental Railroad? Irish Chinese Italian German None What two railroad companies were responsible for the completion of the Transcontinental Railroad in 1869? Union Pacific and Central Pacific Southern Pacific and Northern Pacific Atchison, Topeka and Santa Fe Baltimore and Ohio None Time's up
