Answer:
It's Demand
Two goods are substitutes if one can replace the other in consumption. If a substitute good becomes cheaper this shifts the demand curve in.
Many Greek city-states encouraged migration to areas outside of Greece during the 8th and 7th centuries B.C. in order to <span>ease discontent caused by a maldistribution of land and an increase in poverty. The correct option among all the options that are given in the question is the fourth option or option "D". </span>
