Some characteristics of civilization share are

Hi!

A civilization is a complex structure in which large numbers of people share many important things vital to this structure. Without even one or two of these, a civilization would most likely collapse. To be considered a civilization, you should have:

A Stable food supply.

A social structure.

A system of government.

A religious system.

A highly developed culture.

Advances in technology.

Highly developed written language.

debating and finalizing the detail of the policy

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.