Railroads helped the US grow by making settlement in the West possible after the Civil War by connecting farmers (miners, ranchers, loggers, and others) to markets. there people and companies could both ship their produce to markets as well as ship in the machinery and supplies they needed. It was the only way to move large amounts of things quickly.
"Useful primary source document" is the one among the following choices given in the question that <span>accurately describes a letter written during the time a historical event occurred. The correct option among all the options that are given in the question is the last option or option "e". I hope the answer helped you.</span>
UFWOC- United Farm Workers Organization Comitee
LULAC- <span>League of United Latin American Citizens</span>
