Answer:B
Explanation: the expansion of the railroads is how the west grew. Most towns came about because of a train station in the area and the people settled around that area.
Answer:
The correct answer is Despite US efforts, South Vietnam could not prevent a takeover by North Vietnam on its own.
Explanation:
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Ratification by China, France, theSoviet Union, the United Kingdom, the United States and by a majority of the other signatory states. The Charter of the United Nations (also known as the UN Charter) of 1945 is the foundational treaty of the United Nations, an intergovernmental organization.
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Because it was easier for Europeans to cross the Atlantic than for Chinese to cross the Pacific.