Humans may have evolved difference detecting mechanisms, so that they may notice and remember those individual differences that are most relevant for solving social-adaptive problems.
The rising of the car industry made standard oil rise, They new that cars needed this to function, if they didn't have this then they wouldn't have cars.
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It granted African American men the right to vote, and the right to run for public office :)
<span>leadership..............</span>
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Surplus food leads to job specialization because not every one needs to be farming. THis leads to some people being able to take up other things, such as metal work. ... Domestication led to farming, which led to surplus food, population growth, and job specialization, which all lead to civilization.