How did the various first civilizations differ from one another?

The various civilizations differ from one another because of how government rule over the people, how they run the social hierarchy in their civilization, their way of writing, the technology and tools that they use and lastly, their way of living.

hello,

i'm not so sure but i hope this in anyway.

the president of russia is head of state, and of a multi-party system with executive power exercised by the government, headed by the prime minister, who is appointed by the president with the parliament's approval.

hope this : )

what the first or next guy says