To my knowledge it's B: Marxism. I hope this helped!
C. Bismarck used a series of wars and political incidents to raise nationalistic feelings and install political leaders he could manipulate
The answer is a).
Natural rights are rights that people have under" natural" law- inherently, and not because it was given to them by the government.
The European Union (EU) is a politico-economic union of 28 member states that are located primarily in Europe. The EU was created in the aftermath of the Second World War. The first steps were to foster economic cooperation between the members. Hope this helps.