Write a summary of the video "Guns, Germs and Steel".
The link of videos-
https://www.youtube.com/watch?v=hC76ywLyBvE&feature=youtu.be
https://www.youtube.com/watch?v=lxSoJrVum0c&feature=youtu.be
https://www.youtube.com/watch?v=52WgIDa4TUs&feature=youtu.be
https://www.youtube.com/watch?v=znpG7uzwyrU&feature=youtu.be
https://www.youtube.com/watch?v=g5HBKJwViaM&feature=youtu.be
https://www.youtube.com/watch?v=jqsizNMI6g8&feature=youtu.be