It’s an expression of moralism
Leading European democracies in addition to the US were challenged by crippled economies and devastated landscapes from World War I. Governments were wanting a return to more isolation and policies which favored their own countries. In the case of Germany, they were struggling to reestablish nationalism and were unable to defend themselves as a country. As a result many people in those countries turned to alternate forms of economy and government to create solid nations once again. All countries saw a rise in socialist thinking and some countries began to move toward socialist ideology. In others especially, Italy and Germany a move toward fascism took place which put nationalism at the forefront and a build up of capitalism to secure their economic place in the world.
What is the rest of the question? If I have that I may be able to help.
Answer:
During a two-year period known as the Reign of Terror, the episodes of anti-clericalism grew more violent than any in modern European history. The new revolutionary authorities suppressed the Church, abolished the Catholic monarchy, nationalized Church property, exiled 30,000 priests, and killed hundreds more.