<em>The Middle Kingdom period was ruled by the Eleventh, Twelfth, and Thirteenth Dynasties. Historians sometimes include the Fourteenth Dynasty as well. During the First Intermediate Period, Egypt was divided and in political chaos. ... He launched an attack on the north and eventually reunited Egypt under one rule.</em>
The railroad boosted the economic status of the USA the transportation of raw materials and manufactured good to and from industries became faster and easier after the completion of the railroad
