By 1850, the percentage of the American labor force employed in agriculture had declined to 55 percent.
As America grew more advanced, most people went to big cities to work in factories and be paid more because staying in the countryside dealing with agriculture wasn't as lucrative anymore in a rising civilization. This is why the number greatly dropped.
The two biggest demands that the colonists placed on the Native population were that they be taught how to fish and grow crops, since without this knowledge they would have surely died.
No, because school security is important.
