For resources and to prove that they were powerful. Their initial holdings before WW2 were not enough to fuel the war machine it wanted to become.
C. Merchants.
It is explained that they respected hard work but merchants didn’t have to do anything hard work related.
I would say A. Feel free to correct me if I’m wrong :)
Option C is correct, as 'writing' is only really a description of the
physical act of creating a document. The other terms outline the nature
of the research that has to happen in order to produce the intellectual
information that forms a historical explanation, so these are all
actually phases in the creation of a historical explanation.