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representing is putting forth believes that your people want while serving is carrying out the term.
Location and climate (but more the climate)affect the natural resources one has (and if they have then in abundance, they can sell them, just like Russia is selling its) and one needs (and UK, as an Island needs to import some goods that it does not produce. - you could say the climate affects what is traded, and location how it's trated: UK as an island needs to rely on trade by sea routes to a great degree, while Russia can use land transport more.
