Reply to 1383389437367783430
@Niklas_L I also believe this is related to the humans bias for forming tribes. The US Army has researched this: https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.apa.org/pubs/journals/releases/amp-amp0000259.pdf&ved=2ahUKEwjJk-SkyIXwAhVPlYsKHcnxAxMQFjAAegQIAxAC&usg=AOvVaw39jWKao02dp8gfcLmrjV7RResponse: 1383438708804780035