I assume you mean during world war 2 what was one of the first places Germany invaded which if that's the case it would be Poland
Rationalism led to the use of empiricism, or observation, in science. Francis Bacon invented the scientific method based on rationalism. It also lessened overbearing religious dogma
I think its C. they staged a counter-demonstration. I may be wrong.
Not D and not B but pretty sure C sorry if i’m wrong