B a hereditary ruling class.
<span>a.Under the Sui dynasty, China entered a golden age</span>
The correct answer is B. The Vietnam War affected the United States economy during the early 1970s by leading to a recession.
During the war, the US government had to carry on a economy of war to solve the expenses of the conflict. Due to that reason, taxes were elevated and the monetary issue increased. That led to an almost 11% inflation during early 1970s, which generated an increasing on the unemployment rate .
The three most common types of insurance used to protect against personal property and liability risks<span> are homeowner's or renter's insurance, automobile insurance, and </span>personal<span> umbrella insurance.
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D) Alpines are high mt ranges
Hence the "Alps"
C) A law requiring businesses to be closed on Sundays in some areas