Question

What part did railroads play in western settlement in the late 1800s? #1: railroads played almost no part. #2: they carried millions of settlers westward. #3: the reduced competition for land. #4: they provided jobs and transported goods.

Answer 1

The best option regarding the role railroads played in western settlement in the late 1800s would be that "they carried millions of settlers westward," since before the railroad travel took a significant amount of time and was far more costly and dangerous.