Answer:
A. By seeking other trading partners
(Explanation:)
Embargo (a ban on trade) is used when countries don't get along or have made an agreement not to have anything to do with another specific country, so they ban any trade that comes from them. A country could pursue a policy of national self-sufficiency.
The statement is true that the models of urban growth fail to account for the ancient and medieval cities, many European cities, cities in the least industrialized nations and urban planning. The primary models are concentric zone, sector, multiple-nuclei, and peripheral.
The answer is letter A.
