Question

the us government gave land to the railroads to help them expand. what impact did these land grants have on industries in the west?
the grants limited the amount of land that was available to industries in the west.
the grants allowed industries in the west to grow because they encouraged settlement and new industrial opportunities.
the grants had little impact on industries in the west.
the grants discouraged industries from moving west because the land was useless.

Explanation:

The land - grants to railroads in the US West encouraged settlement. More settlers meant a larger labor force and a bigger market. This, in turn, created new industrial opportunities and allowed Western industries to grow.

Answer:

The grants allowed industries in the West to grow because they encouraged settlement and new industrial opportunities.