Petroleum industry is not of resent origin , but petroleum's current status as the key component of politics , society and technology has its roots in the early 20th century . the invention of the internal combustion engine was the major influence in the rise in the importance of petroleum.
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A: It was a period of rapid economic and social transformation.
The
Roaring Twenties saw immense economic and social change occurring in
the United States of America. The availability of easy credit meant that
newer inventions such as the automobile and radio (and many others)
became commonplace in American households which in turn dramatically
changed the social landscape of the country.
C: the meaning of "solidarity"
Answer: The answer is the FIRST choice.
Vietnam became communist, but the Vietnamese suffered the after-effects of the war.
Further Explanation:
The immediate result of the Vietnam War was that the communists won and Vietnam was united as one country, run by the communists. In Vietnam, this led to a number of things.
In what became Canada, Great Britain conquered the French who had the colony of Canada before their defeat in the Battle of the Plains of Abraham. In what became the eastern part of the US, Britain promoted the emigration of people from the British Isles to the new 13 colonies and began trade with them and so forged economic ties with them which eventually became very unfair to the American colonies. In Canada, furs were bought from the First Nations people at a low price and sold in Britain and Europe.