Do all markets function the same way around the world?

What were the purposes of salt? check all of the boxes that apply. -to achieve peace -to protect the security of the united states -to form an alliance against communist nations - to stop the nuclear arms race - to give the united states an advantage over the soviet union

(05.04 mc) how did the roman transportation system keep the empire strong? plz

How did people in the 14th century understand black death