False
The Toltec Empire existed from the 10th to the 12th centuries. The Aztecs existed from 14th to the 16th centuries.
It is believed by historians that the Aztec Empire was built off of the remains of the Toltec Empire. Evidence of the empire was found in Aztec religion, images, and ritual. The site of Tula has also provided evidence connecting the two civilizations. Both were located in the central parts of Mexico with the Aztecs expanding beyond the central region to the coast.
Advantages:
From a conservative or state-based ideology: it is much easier to control population since they rarely receive "strange" ideas or influence from outside. Domestic policies become much more important. In so, it becomes easier to set popular aims targeting citizens.
The country could(historically seen) stand the best defense against outside powers which could try to set an invasion. For example, the Great Wall of China turned out to set a strong defense against Mongols and other menaces along many centuries.
Disadvantages are listed:
Trading with other countries can influence negatively on economic growth, as there is no autonomous country even if it results as big as China.
Trade has become key in today's globalized world, henceforth the need to collaborate or cooperate in economic exchanges is a necessity to keep up the pace in global affairs.