<span>c. they trained british pilots in effective air support techniques.</span>
The answer is: all of the above.
The Stamp Act of 1765 was a British tax appointed to the Thirteen American colonies. It demanded that the publications produced in the colonies be manufactured in stamped paper in Britain, which received incomes from that. The printed matter included newspapers, legal documents, playing cards and other publications.
The U.S gained many people of French heritage.
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