Aplanned economy is one in which the government allows market forces to operate freely. encourages workers to join unions. makes just a few decisions about the economy. has total control over a country’s resources.

A planned economy is one in which the government has total control over a country's resources.

Explanation:

A planned economy is the economic system in which the state governs the economy. In a planned economy system, the central government makes all decisions regarding the production and consumption of goods and services. In extreme cases, large sectors of the economy and industry are under the control of the state, all decisions regarding the allocation of resources and production are also made by the state. The planning authorities decide what should be produced and direct the lower-level enterprises to produce these products. The planned economy is the opposite of a market economy in which production, distribution, pricing and investment are made by the owners of the means of production on the basis of their own interests and not in accordance with a comprehensive plan.

the correct answer is D

peace keepers

idealism to be spread

riches kept

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering