Generally the term used to describe changes to an organisms surrounding, especially in the organisms in that particular area is called succession
C.
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He had to flee China when the communists took over.
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C gives more power to the individual states
Capitalism is not a system of government, but an economical system - so it can't be the correct answer.
The correct answer is" republic" - in a republic people don't exercise their power directly, but choose representatives and this is the case in the US (the representatives are for example the Congress and the President)
Not sure if this is correct orty-five states and the District of Columbia levy general sales taxes that apply (with some exemptions) to all goods and certain services. Thirty-seven states (including, Alaska, which has no state tax) also allow general sales taxes at the local level. Most states apply separate sales taxes to particular goods, including tobacco, alcohol, and motor fuels.