Goods are usually carried on large barges that go through the Volga river, Russia's most valueable geographical asset due to its large extent from East to West.
La diferencia es que uno ayda (empresario) para aydar al que inventa (inventor) ejemplo: un inventor nesecita ganancias para su invento pero el no sabe como asi que le dice a sus empresarios si lo ayudan para que esas ganancias suban y asi el inventor hace su innovacion
The fact that US citizens have a high per capita income (per capita = per person) allows them to consume a disproportionately large amount of products compared to the rest of the world. So I think the answer is B.