Answer:
The North Vietnamese attacked the US Navy in the Gulf of Tonkin. This problem lead to the USA beginning to start the war.
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The history of slavery spans many cultures, nationalities, and religions from ancient times to the present day. However the social, economic, and legal positions of slaves were vastly different in different systems of slavery in different times and places.
War and violence. While epidemic disease was by far the leading cause of the population decline of the American indigenous peoples after 1492, there were other contributing factors, all of them related to European contact and colonization. One of these factors was warfare.
How many people died or were lost
