Humans have been present on this Earth for nearly 3.5 million years when “Homo erectus” first evolved with an upright posture enabling the use of hands (Ponting). “Homo erectus” evolved into “Homo sapiens” one hundred thousand years ago and both lineages lived in small, mobile groups. For nearly two million years, their way of life was based around hunting and gathering food until ten to twelve thousand years ago when agriculture evolved. Early humans depended upon their knowledge of crops and seasons in order for survival. Eventually, as brain size increased and more humans adapted to different environments, advances were made in human technology. Humans began to work with and occasionally against their environment to create a stable way to acquire food as well as a more stable lifestyle. On the other hand, the environment, the climate in particular, definitely dictated the movement and survival methods of early humans.
The first Pan-Am conference was called by the U.S. Secretary of State James Blaine.
At the start of World War I, European powers held vast colonies in India, Africa, and Asia. Colonies they frequently controlled with military force. Troops were often made up of local soldiers, who were sometimes used to fight against their own countrymen, but rarely against white men, and never in Europe.
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There are benefits of green buildings and they have convinced many architects and construction companies to “go green” since taking that choice the companies protect the environment, save money, reduce pollution, and increase human health and happiness. Green building is a trend that is here to stay.
