What new phenomena in the life of people show that civilization has appeared?

These include the following phenomena:

1) development of trade;

2) development of the neighborhood community;

3) the emergence of writing;

4) the emergence of the first states and large cities;

5) the development of ancient scientific knowledge, as well as various important inventions.

So the first civilizations began to appear as early as 4 thousand BC. Of these ancient civilizations, one can single out: Sumer, Akkad, Egypt, China, India, etc.