1. Read the source and answer the question. An Act to aid in the Construction of a Railroad and Telegraph Line from the Missouri
River to the Pacific Ocean. I.. The Union Pacific Railroad Company... is hereby
authorized and empowered to lay out, locate, construct, furnish, maintain and enjoy a
continuous railroad and telegraph.
-- The Pacific Railway Act, July 1, 1862
What effect did the passage of this act have on the United States?
A
It led to an increase in the population of the western region.
B.
It led to a decrease in the value of land in the West.
C.
It increased the need for housing along the East Coast.
D. It decreased tensions over the expansion of slavery.