I'm not 100% sure but I really think the answer is C.) Live in poverty.
Sorry =\
The answer is D. The Germans wanted to knock out Russia with its slow moving army then they could focus all of their efforts on France
Great Britain was able to build ships and make weapons. (If you're talking about World War I: Britain also had a larger navy, more support in the U.S., they had more men, and a much larger empire.)
he studied Aristotle
he wrote a book which became the standard medical book for the next hundreds of years
