Why did the former soviet union use a command economic system instead of one based on prices?

The former Soviet Union used a command economic system instead if one based on prices because it sought to create a society in which everyone had the same choice. It hoped to achieve this by controlling the actions of the buyers and sellers

well the lessons we can learn is how quickly our fragile freedoms can be overcome. mccarthy rose to power in 1950 of a tsunami of anti-communist hysteria, brandishing a lost of "known communists" in the state department, and held public trials to enhance his political clout. he had fallen from power but only when his attacks were against the u.s. army broadcast to millions of americans to their homes exposing his indecent persecution of the innocence of people. the senate censured him in december 1954 disgraced and discredited, he had died three years later at the age of 47..i hope my answer has you.. good day to you..

answer; the period of time known as the middle ages;