Answer:
Population composition is the description of a population according to characteristics. These data are often compared over time using population pyramids.
British and French leaders were slow to stop the advances of the Axis Powers in World War II as they thought that they could appease them into ceasing their campaign for expansion.
This police, known as "appeasement", ultimately was a failure as the Allied leaders miscalculated the extent to which Hitler & Co. had eyes on an Empire that would stretch the entirety of Europe.
In the end, the leader in England advocating appeasement would be replaced and France would be overrun by the Germans.
It would be an experimentation, which was done using the scientific methods. This way of thinking is called the positivist way of though where the way one could find the truth of a certain phenomenon could be in experimentation. This experiment should be repeatable, and could be disapproved or approved using the same methods.
First amendment, freedom of speech, press, and religion, assemble, etc.
It's first (which was intended when the framers were writing it) which proves its importance.