Germany
No, Britain wasn't responsible. Austria Hungary was.
Germany
World War 1 was started after the sinking of the Lusitania.
Probably artillery; it was responsible for many of the deaths in World War 1.
imperialism
ataturk
Machine gun
Everyone in a way but mostly it was Germany
No. It may have contributed to WWI, but was not entirely responsible.
No, and I'm surprised that it is even suggested.
nazism and conquering