Answer: Appeasement was the right policy for England because it gave them time to prepare and get there army together. Appeasement allowed them to have peace and no conflict for a while which is a good outcome of appeasement. Lord Halifax even promoted appeasement because it allowed them to prepare for the war which happened within a year.
Explanation: It's understandable that having peace through appeasement would put England in advantage during the war and France could focus on theirselves.
The American revolution inspired the idea that a country should secede and gain independence if they believe that the ruler of the country is a malevolent tyrant. The Civil War inspired hte idea that the country needs to remain unified even if the people don't agree and that we can always find a way to keep it together. They are opposite and at the time when they were created they suited the needs of the people.