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P.904 - §2 With the appearance of crude manufacture
and beginning industry, commerce quickly became the most potent influence
in the spread of cultural civilization. The opening up of the trade channels
by land and by sea greatly facilitated travel and the mixing of cultures
as well as the blending of civilizations. By 5000 B.C. the horse was in
general use throughout civilized and semicivilized lands. These later races
not only had the domesticated horse but also various sorts of wagons and
chariots. Ages before, the wheel had been used, but now vehicles so equipped
became universally employed both in commerce and war. |
