Answer:
The answer is below
Step-by-step explanation:
1. The expansion of railways lowered the cost of shipping goods. - TRUE As a result of long-distance railways covered from the East coast to the West coast of the United States and its low cost of maintenance and accident, it was extensively used for transporting goods long-distance thereby lowering the cost of shipping goods
2. Railroad mileage increased in the West, reducing the effects of settlement on American Indians. - TRUE. The is true because many Americans move in and settle in the west which affected the settlement of many American Indians
3. The building of the railroads changed the environment of the West. - TRUE. This is true because as many Americans move to the west, the west became populated, and developed, thereby changing the environment of the west with the urban settlement that quickly arose.
4. The Transcontinental Railroad was completed before the Civil War ended. - FALSE. This is false because the Transcontinental Railroad was completed in 1869, while the Civil war ended in 1865