Answer:With increased tax revenues the government can spend more on important public services such as health and education. Improved health care can improve quality of life through treating diseases and increasing life expectancy. ... Education is seen as an important determinant of welfare and happiness.Nov 28, 2016
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Erosion happens over time but water contributes to erosion and the more water that crashes against the rocks, the quicker they start to chip away. There is also the threat of lighting, but the rainwater + the ocean/seawater is the main threat!
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Westward expansion meant that the US acquired ever increasing amounts of land, and needed people, farmers, to settle there so it could maintained without a huge military presence. This led to massive immigration in the second half of the 19th century, as mostly Europeans came here seeking to finally have their own land.
It also added vast resources to the United States, both in terms of potential agricultural production and things like gold, silver and timber.
It stimulated the construction of the Transcontinental Railroad, and added new states to the country.
It further aggravated the divide between north and south, and accelerated the onset of the Civil War.
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P waves is moved by compressing and expanding.
S waves is form perpendicular angle when they pass.