I feel that is a useful tool to the president, yes, at Thanksgiving every year at the White House, President Richard Nixon pardoned himself for the water gate scandal.
Scientific Revolution came in when there are more people who are having discoveries, inventions and findings. It definitely gave the man another perspective of understanding occurrence and relationships among objects. Through Science people were able to determine that there are explanations behind everything.
Christopher Columbus sailed the ocean blue in 1492. He established the world.
