if you're using plato/edmentum, the answer is A.
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Answer:
Greece's geography impacted the social, political, and economic patterns in a variety of ways, such as that its mountains prevented the complete unification, that led to the establishment of the city-states near the sea, which led to a reliance on naval powers, hindered overland trade, and encouraged maritime trade around the Mediterranean, which led to the influence of other Mediterranean cultures on Greek society.
Explanation:
The transcontinental railroad transformed the west because it made the idea of manifest destiny so much easier to achieve. The railroads also gave access to many trade spots, which in result connected them all, making the economy of America BOOM.
They all had long walks to be made and dangerous times.