Which correctly analyze why nationalism developed in 19th century Europe?
A.Ethnic Groups galvanized around the idea of a single nation in opposition to Napoleons conquest
B.French Nationalism that followed the French revolution provided an example for other people in Europe .
C.The growth of the Austro-Hugarian Empire and the ottoman empire Gave nations a sense on pride
D.Some enlightenment Philosophers Wrote about and encouraged the growth of national self determination
HELP AsAP Pick 2 answer choices !