Due to the increasing spread of populations of and changes in climate, communities evolved with individual physical characteristics adapted to where they lived, giving rise to specific features such as skin colour and physical structure…
Since those early days, people have gradually developed their knowledge and evolved ways of storing information so as to make better use of it or to transmit it.
They have improved their tools, eventually designing instruments and producing energy to carry them forward into our modern era. Although this power became industrial, it demonstrated its limits during the last world war which ended in 1945.
In the light of the danger of mass destruction using chemical and atomic weapons an international organisation was created in San Francisco; the United Nations Organisation, followed by its Charter of Human rights signed in Paris in 1948.