Answer:
The rise of nationalism
The desire for national self-rule
The desire to unify territories
Feudalism worked easy because it was a system that worked from top to bottom. At the top you had the King which provided money for the Nobility that provided troops and protection for the king. Then the Nobility would bestow the land to his knights that would give the land to the peasants and they owned the land and farmer on it. The knights would provide military service for food that they farmed.
They got taken over by Germany.
It was fought by an alliance of Britain<span>, </span>France<span>, </span>Turkey<span> and Sardinia against </span>Russia<span>. It broke out in October 1853 – although </span>Britain<span> and </span>France<span> only became involved in 1854 – and ended in February 1856</span>