The "war communism which was a communist policy" meant that the government controlled most banks and industries, also grain was seized from the peasants, It was used in Russia to ensure regular supplies to Red Army
Step-by-step explanation:
The Communists pursued a communism strategy of war. This scheme was implemented to guarantee the Red Army daily supplies. This implied government ownership of banks and factories, acquisition of grain from peasants, and central planning under Communist command of state management.
Also, the Communists established a new secret police, called the Cheka. The Cheka launched a Red Terror to wipe out those who criticized the new system. And finally by 1921 the Communists had full power over Russia. Russia had become a bureaucratic state and controlled by one party.