Your answer would be option A
Most likely D. since nationalism is the support of a certain group and their rights and the monarchy went against this, they rebelled. i kinda remember this question on one of my previous tests but d is most likely!
A newspaper article written during a historical event would almost always be considered a "primary source document," since it provides an unaltered view into the past.
I would say c or d , because those 2 confuse me
