Answer: Between 1916 and 1920, the cities of northern and central Russia lost 33% of their population to the countryside. The number of people working in Russia during War Communism dropped by 50%. Although private trade was illegal, in the cities more people were engaged in this than at any other time in Russia's history.
I don't know if you meant a republican or republic, so I'll just give you both :)
Republic: A state in which supreme power is held by the people and their elected representatives, and which has an elected or nominated president rather than a monarch.
Republican: A person advocating or supporting repuican government.
I hope I helped!