The correct one:
The Harlem Renaissance was a cultural and artistic movement during the 1920s that focused on the experience of black Americans.
Why the others are not correct:
The 1960s was the time of the Civil rights and Black Power movement.
The 1820s... well... slavery still existed. It didn't end until 1865 so there was no positive movement or experiences for us then.
Well, pre-1930s, our economy was booming due to The Great War (WW1), after the war ended, our economy slowly fell, resulting in the Stock Market Crash. After the Stock Market Crash, farm prices raised significantly due to the lack of crops coming in from farmers (due to the dust bowl) after our economy became stable, prices eventually evened out.
Answer:
A command economy is a system where the government, rather than the free market, determines what goods should be produced, how much should be produced, and the price at which the goods are offered for sale. It also determines investments and incomes. The command economy is a key feature of any communist society. Cuba, North Korea, and the former Soviet Union are examples of countries that have command economies, while China maintained a command economy for decades before transitioning to a mixed economy that features both communistic and capitalistic elements.
Explanation:
A command economy is when government central planners own or control the means of production, and determine the distribution of output.
Command economies suffer from problems with poor incentives for planners, managers, and workers in state-owned enterprises.
Central planners in a command economy are unable to rationally determine the methods, quantities, proportions, location, and timing of economic activity across an economy without private property or the operation of supply and demand.
Proponents of command economies argue that they are better for achieving fair distribution and social welfare over private profit.
(i got it from investopedia)