Prior to the outbreak of war, French and British politicians tried to solve their problems with Hitler and Mussolini through a policy of "appeasement", since they wanted to avoid war at all costs.
There are many ways in which conservatism manifested itself in the United States during this time, but a big way was in economics, when conservatives like Reagan thought the government should not regulate business.
Most people in Europe around the crusades were Catholic christians and never liked the muslim religion invading into Europe so thats why the crusades started to first free the Jews from the Arabs and stop Islam from coming into Europe.
