Question

what are the causes of nationalism in Europe and process of unification in Germany ​

Answer 1

The French Revolution helped introduce nationalism in Europe, for it changed France's entire system of government, defined citizens' rights, and developed a set of national symbols. The Revolution also spread nationalism to other countries. ... After Napoleon's defeat, Europe reacted against nationalism for a while.

The process of unification of Germany: ... The middle-class Germans had tried to fight for a united nation governed by an elected parliament in 1848 but were repressed by the monarchy and military. 2. Otto von Bismarck, chief minister of Prussian led the movement for unification of Germany