Anthropology homework, reading a chapter of a book and answer two question.

Weekly Reading Post #4: Hunter-Gatherers & Uncontacted Tribes 

Answer both of the questions below in a paragraph (don't forget to comment on or ask a question on another student's post as part of the assignment).

1) In Ch 10 of Conformity & Conflict (“The Hunters: Scarce Resources in the Kalahari”),( I attach the file of the chapter reading matrial  ) the author argues against the idea held by many anthropologists back then that hunter-gatherers lived a precarious, hand-to-mouth existence. List two examples that the author provides to support his view.

2) In the article “The Sad Truth About Uncontacted Tribes (Links to an external site.),”   here is the website of this paragraph ----(http://www.bbc.com/future/story/20140804-sad-truth-of-uncontacted-tribes)  

what does the anthropologist state as the reason for why many isolated tribes avoided making contact with the “outside world”?