The themes that played a major role in changing the world between 1450 and 1750 was that plants were being spread together with animals and diseases between the Americas and the rest of the world; mainly Europe. Especially famous are cases where European contact wiped out whole villages and tribes of native American people because they were unable to cope with the bacteria and viruses.
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They both believed that the best way to rapidly mobilize an economy is through incentive to Companies
This incentive will be used for various operational expenses that will help the companies to expand
And eventually will bring out more National income for the country