Question

why would a mechanical reaper be an improvement for farmers? it would save them time and labor. it would allow them to plant other crops. it could be used for breaking up the soil of the prairie. done

Explanation:

A mechanical reaper is a machine that harvests crops. By using it, farmers can harvest crops more quickly and with less physical effort compared to manual harvesting methods. This directly saves time and labor. Planting other crops is not directly related to the improvement of a reaper (which is for harvesting, not planting). Breaking up soil is the job of plows or similar tillage equipment, not reapers.

Answer:

It would save them time and labor.