1. What role did the U. S. government play in the building of the first transcontinental railroad? Select all that apply: Congress passed the Pacific Railroad Act to aid in the construction of the railroad.
Congress provided no support for the building of the transcontinental railroad.
Congress passed the Dawes Act in order to help the building of the railroad.
The U. S. government awarded land and money to the two companies that built the railroad.
President Grant issued an Executive Order to have the transcontinental railroad built.

2. How did mining help territories become states?

Congress passed the Pacific Railroad Act to aid in the construction of the railroad and the U.S. government through the congress awarded land and money to the two companies that built the railroad.

The U.S government play a great role in the building of the first transcontinental railroad by passing the Pacific Railway Act that authorized the construction of the railroad building.

In addition, the congress passed this act in 1862, which establishes the U.S federal government to give assistance through land grants and money, that helped companies finance the construction of the first transcontinental railroads that was completed on May 10, 1869.

explanation: d