Answer:
) the power to enforce laws
Explanation:
On May 10, 1869, at Promontory Point, Utah, workers drove a spike that linked two rail lines, one snaking from the East, the other from California, completing America's first transcontinental railroad. This event helped launch an era of economic development that would transform a Jeffersonian society of yeoman farmers into an industrial powerhouse.
I think that the answer is A but not for sure.
Cultural shock, Cold War rules of engagement, lack of recognition, Racial divide and social class issues, constant changing of personnel, high casualties, morale issues and a determined enemy.
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