Please read the article below and then answer both parts (1a) and (1b). India h

Please read the article below and then answer both parts (1a) and (1b).
India h

Please read the article below and then answer both parts (1a) and (1b).
India has no plans to recover the body of a US missionary killed by a tribe
1a. Discuss the genetic advantages to humanity as a whole of NOT contacting populations who have chosen to remain isolated.
1b. Discuss the genetic advantages to the isolated groups of uncontacted people for NOT having contact with the outside world. Do you see any disadvantages for these people to remaining isolated
https://www.theguardian.com/world/2018/nov/28/india-body-john-allen-chau-missionary-killed-by-sentinelese-tribe#:~:text=Indian%20authorities%20say,for%20privacy%20reasons.