Why might the government intervene to set prices?

(select all that apply.)

it wants to ensure that the country can produce items it needs in an emergency.
it wants to ensure that the government has the resources it needs.
it wants to ensure that businesses are operating efficiently.
it wants to ensure that all people can afford food.

I would only select that "it wants to ensure that all people can afford food", at least that's what they based such an order on. This is very common in countries like Venezuela, but when this is not done properly, it leads to a shortage as it has happened  actually

Explanation:

can you explain it better

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.