I think that because everyone else has their own brain that is active in their own way meaning that some are altruistic due to the way they whereas others are not as much because they are thinking differently
Savannas are a dry grassland surrounded by many deserts.
For the duration of the early stone age period all societies Egyptians, romans, Greeks, druids derived from the nomadic tribes founded in the continent of africa. Because of this historical point of origination archaeologists have resolute decisively that human existences have an interventionist agenda whether out of requisite for provisions, rival factions or competing groups or simply to offer claim to property we as homo erectus have discovered our world and sought to manipulate it to our will. That having been asserted because of this causal effect many geographical locations have relatively almost all at one time or another been inhabited by an ancient or modern society and this has given rise ultimately to commerce, agricultural development and the ubiquitous of crops all significant to lasting clearing and thus influential and manipulative of our dominance over the elements. <span />
