Germany
No, Britain wasn't responsible. Austria Hungary was.
World War 1 was started after the sinking of the Lusitania.
Germany
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, Hitler didn't have much to do with starting World War 1, Word War 2 is another matter though.
No, and I'm surprised that it is even suggested.