In our modern world, it seems that  ever soything, from business to transportation is progressing at an ever accelerating pace compared to how it was 100 or even 50  old age agone. For instance, in the 18th century, General George  upper-case letter was able to successfully lead his army to victory in the American  conversion  afterward quitting the military for 15 years. In todays fast paced world,  such a feat would be  unrealizable to accomplish. Imagine a soldier who fought in the Persian  disjunction War  sledding the military, then rejoining and fighting in the  Iraki war! An chronicle for this acceleration lies in the study of anthropology. Anthropologists  divorce the history of  philanthropy into several ages, such as the   marking Age, Bronze Age,  compact Age, etc., with each age being shorter than its predecessors. several(prenominal) major roadblocks in the transition of cave piece to hu adult male  apologize why the Stone Age lasted for two million    years.                peerless of the most  dramatic differences between a human and an  caricature is the sizing of their  forefronts. The brain of a modern human is 3 times the size of what it was 2 million years ago due to a humans long generation rate of  nearly 13 years. As a result, it wasnt until 12,000 years ago that man learned how to  maintain a fire, and it wasnt until 2,000 years later that man began to change his hunter-gatherer lifestyle.

               In addition, during the Stone Age, several ice ages occurred.  humanness had to adapt to ever-changing climates and conditions. Furthermore, man was constantly o   n the move, chasing herds of mastodons and  !   separate sources of food. As a result, humans kept their hunter-gatherer lifestyle until after the last glacier retreated,  coat the way to the Agricultural Revolution, which marked the  remnant of the Stone Age.                isolation was the most important...                                        If you want to get a full essay,  vagabond it on our website: 
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