Which best describes Lenin’s New Economic Policy, established in 1921? It permanently changed the economic strategy of the Soviet Union.
It temporarily allowed some private ownership of land in the Soviet Union.
It had the full backing of all the revolutionary elements in the Soviet Union.
It had little to no impact on the economy of the Soviet Union.

It temporarily allowed some private ownership of land in the Soviet Union.

Explanation:

Lenin's New Economic Policy was devised by Lenin in 1921 with the goal of allowing some market elements in the Soviet economy, temporarily. This policy gave permission to some individuals to own private companies, made public companies for profit firms, and also allowed a few individuals to own private land.

The goal of this policy was to develop the Soviet Economy for a few years, before transitioning to a full communist economy.