What year was the Pacific Railway Act signed into law? 1781 1862 1901 2000 None Which two railroad companies were responsible for building the Transcontinental Railroad? Baltimore and Ohio Railroad & Southern Pacific Railroad Northern Pacific Railway & Great Northern Railway Union Pacific Railroad & Central Pacific Railroad Atchison, Topeka and Santa Fe Railway & Chicago, Burlington and Quincy Railroad None Where did the Union Pacific and Central Pacific railroads meet to complete the Transcontinental Railroad? San Francisco, California Chicago, Illinois Promontory Summit, Utah New York City, New York None What was one of the major challenges faced by the Central Pacific Railroad during construction? Dense forests High deserts Rocky Mountains Sierra Nevada Mountains None What significant impact did the completion of the Transcontinental Railroad have on the United States? Increased isolation between the East and West Decreased trade and commerce Accelerated westward expansion and economic growth Reduced immigration None Time's up
