Question

Which were the main centres of the world’s earliest civilizations?

Answer 1

There were four main centres of the world’s earliest civilization and these were :

• The Valley of river Nile (Egypt)
• The Valley of rivers Tigris and Euphrates (Mesopotamia)
• The Valley of river Indus (Indus Valley)
• The Valley of rivers Hwang-Ho and Yangtse Kiang.