In the ten years following the civil war, a large numbers of former slaves earned a living by becoming "<span>3. Sharecroppers on Southern farms," since their opportunities for advancement were very slim, and moving to the North was often expensive. </span>
To make something nice to them
<span>The population of the farm in the united states changes between 1950 and today because it dropped from 20 million to fewer than 5 million people. The answer is letter C. Life in the farm is hard, their workload is very high but their rate of return of investment is very low. It did not help with the technology that we have nowadays, machines that can replace certain works that they have and so few of them remains.</span>