Which Soviet economist proposed the 'New Economic Policy' in 1921, temporarily reintroducing limited market mechanisms after the Civil War?

• A Grigory Sokolnikov
• B Nikolai Bukharin ✓
• C Leonid Kantorovich
• D Yevgeny Preobrazhensky

Though Lenin adopted the NEP officially in 1921, Bukharin became its foremost theorist, arguing peasants would 'grow into socialism' through market incentives.