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The construction of the palace and city walls began around 1350 B.C. About 100 years later, Mycenaeans constructed the Lion Gate and its bastion, along with a new wall to the west and south of the original wall. This new fortification encompassed Grave Circle A and the city's religious center.
Answer:
By 1880, the transcontinental railroad was transporting $50 million worth of freight each year. In addition to transporting western food crops and raw materials to East Coast markets and manufactured goods from East Coast cities to the West Coast, the railroad also facilitated international trade