The people of griglac and xula are warring over a disputed border between their countries. the griglacians feel they are defending their territory but those in xula feel that griglac started the war by invading xula. these perceptions are causing the conflict to escalate.

The development of simple stone tools by early hominids led to the ability to procure meat more efficiently. this in turn led to the change in diet that included larger amounts of protein. many scholars believe that this shift in diet was a significant part of how our ancient ancestors adapted so quickly to a varied set of environments, and thus were able to begin cultural development. this demonstrates the intimate connection between