What does a centrally planned economy oppose that a market economy encourages?

In what year did vladimir lenin and the bolsheviks seize power in russia? 1885 1900 1917 1961

Define what the expropriation without compensation's and what does the freedom charter says about it

Why are slanted roofs found on many buildings within russia and finland? a. to prevent ice slides. b. to prevent the build-up of water during heavy rains. c. to prevent heat from escaping during the clod winter months. d. to prevent snow build-up.