Unit 1 (Part 1) Chapters 1-3 Siberia and spread across both North and South America. They evolved a great variety of cultures, which ranged from the sophisticated urban civilizations in Mexico and Central and South America to the largely seminomadic societies of North 82.42 Kb. 1
So wrote a journalist for the Mecca. At the same time, in early 2004, some twenty-three nations signed an agreement to build a network of highways all across Asia 0.89 Mb. 2