Germany is the dominant European nation
in the globalization of Capitalism. Capitalism is a system of economy and politics
whereby the trade and industry of a country is not managed by the state, but by
private owners who run it for profit
That depends on which historical empire you are considering when you ask. However in general an emperor serves as a figurehead of a government and absolute ruler of the military.
I think A. more enjoyable
The sinking or Lusitania on 7 May 1915 was a significant event during WW1. It was a passenger liner sunk by German submarine during World War 1. It lead to America declaring war on Germany.