Answer: The purpose of the footnote to paragraph 4 is that It provides an additional fact related to the Civil War.
A lack of railroads affected a lot of things. For example like getting supplies or not having job opportunities due to not having a railroad. Also without have a railroad it made traveling harder.
The South had always been less enthusiastic about the railroad industry than the North; its citizens preferred an agrarian living and left the mechanical jobs to men from the Northern states. The railroads existed, they believed, solely to get cotton to the ports.
he Freedmen's Bureau, formally known as the Bureau of Refugees, Freedmen and Abandoned Lands, was established in 1865 by Congress to help millions of former black slaves and poor whites in the South in the aftermath of the Civil War.
Improves productivity and encourages<span> trade. It includes international trade as well as transfers money, resources, and technology </span>among countries<span>.</span>
