It is said that necessity is the mother of invention. How
true. As humanity developed, our ancestors invented what they needed. Natural
resources, of course, played an obvious role.
In early
civilizations, trial and error was the first teacher. This information would be passed
on as skills and crafts were taught and improved upon by successive
generations.
The needs of the societies became more complex
due to a number of factors. They developed what was needed to survive. For example, if
water was necessary for crop irrigation, ways were developed to meet that
need.
Factors influencing the changing needs would include
climate with changing and sometimes drastic weather, other neighboring societies and
their relationships, food availability, growing populations, belief systems, to name a
few.
The world grew smaller when our ancestors ventured out
to explore what was beyond. Civilizations discovered other civilizations. Information
was exchanged and shared as we continued to develop. Often what one lacked in materials
and expertise, the other had in abundance.
Ideas were
shared. We shared, for example, more efficient ways of killing with gun powder. We
shared diseases common for one group into a group where no antibodies had built up
through successive generations of exposure. We shared building materials and sky
scraper rose up.
This is called
progress.
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