Describe the elements of a command economy. What problems were caused by the command economy in the Soviet Union?

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. 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. In the soviet Union the command economy suffered from problems with poor incentives for planners, managers, and workers in state-owned enterprises.

first, the romans stayed isolated because they had to defend their own territories from neighboring cities that were harassing them, like the etruscans. second, once the romans managed to defeat their neighbors, and started to expand their territory, they started to build roads and bridges. finally, now that the romans have covered their territory with roads functioning as highways, they could mobilize their legions faster to assemble larger military units in a specific place

mali had been a state inside of the ghanaian empire. after ghana fell because of invading forces and internal disputes, mali rose to greatness under the leadership of a legendary king named sundiata, the "lion king." the songhai empire, already weakened by internal political struggles, went into decline.