Japan is one of the most densely populated nations in the world primarily because a) so many people migrate from china to live in japan. b) family size is much larger because it is not an industrialized nation. c) of the economic growth and population is limited to the coastal plains. d) it is split into two nations and most people live in the democratic area.

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for many centuries there were important factors which the economies of the muslim empires developed increasingly. they applied economic procedures in production, investment, finance, taxation and property. they used to tax certain goods (for example: harvest), they charged interest on money lent, they signed contracts with merchants; they relied on a common currency, and they used checks as well as promissory notes. with the money collected by means of taxation, the government provided the needy with an income. in addition, trading networks covered huge distances, so far regions started to have contact and exchange goods. this trade network covered areas of asia, africa and europe.