Which of the following were necessary conditions and which the causes of early urbanization, and which would you say were the outcome of the growth of cities: (a) highly productive agriculture (b) water transport (c) the lack of metal and stone (c) the division of labor (e) the use of seals (f) the military power of kings that made labor compulsory?

Following were the necessary conditions for urbanization:

• Highly productive agriculture
• Water transport
• The division of labor

Causes of early urbanization:

• Lack of metal and stones
• The use of the seals
• The military power of the kings made labor compulsory.

The outcome of the growth of cities:

• Efficient transport system.
• Trade and services developed.