Why did city states or polis develop in ancient greece?

The civilian conservation corps (ccc), an agency established during the great depression as part of the new deal, created jobs for people who were unemployed. what kind of work did people do as part of the ccc? a. built libraries and hospitals b. maintained state and national forests c. photographed migrants and the homeless d. constructed roads and bridges

Prices for products became more affordable as a result of new forms of ,witch got things to market faster and cheaper

How did the romanov dynasty increase russia's power?