Answer:
to prevent history from happening in the future.
Answer: D
Explanation: i had this question before
The answer is participant observer. A participant observer is classified as a method in which is used in collecting data for research. It is a method where a person joins a particular group in order to know or learn more about them in a way that they could join them or before the person could be accepted. The person usually records and observe as he or she joins the group to know more about the group that he or she is getting into.
A slashing hand motion over the neck by a waterskiing participant indicates that the boat is to stop immediately.
<h3>What is a Hand Motion?</h3>
A hand motion or hand movement is a form of activity that occurs when one is wakeful and conscious. It is also a form of signal that can be used in various situations.
In the case of a waterskiing game, when participants use a slashing hand motion over the neck, it signifies that the boat needs to stop its movement immediately.
Learn more about Hand Motion here:
brainly.com/question/14381788
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