It was a change of thinking from 1500 to 1700 when modern science came out as a new was of getting knowledge about the world. It was important because it started modern science.
I think a president should look for qualities such as; responsibility, loyalty, honesty, open-mindedness, and efficiency.
This is my opinion, personally.
There were 9 countries that had colonies in Arica, Spain, The Netherlands, France, The United Kingdom, The Ottoman Empire, Germany, Italy, Belgium, and Portugal