title: Ukrainization
context: Until the early-1930s, Ukrainian culture enjoyed a widespread revival due to Bolshevik policies known as the policy of Korenization ("indigenization"). In these years a Ukrainization program was implemented throughout the republic. In such conditions, the Ukrainian national idea initially continued to develop and even spread to a large territory with traditionally mixed population in the east and south that became part of the Ukrainian Soviet republic.
question: When was Ukrainization policy first implemented in the Ukraine?
answers: Until the early-1930s