The awsner is Scholars revived an interest in classical ideas.
The French are very proud of their culture and they are very protective of it, some may say that it is even superior to others. That is why the public policies are very influenced by the cultural beliefs of French people. The policies are usually designed to protect the French culture and are very resistant to the influence of other cultures.
If I understood your question correctly, then the answer is "it depends". Sometimes, individuals have a large impact on starting a war (think World War I where one individual caused the war to start), other times groups of people have also important roles in starting a war (think World War II).
There is more poverty reduction in a urban area
There was both guerilla warfare and trench warfare in this global war