Their fertility. Even with constant wars, and diseases with no modern medicine, the populations of the cities expanded beyond the capacity of the land owned by each city, so they had to periodically send off the surplus populations to form new cities around the Mediterranean and Black Seas.
The population increase was inevitable with no TV to watch at night.
Greek culture.
the population
Growth of the railroads
The growth of malls and supermarket
The growth of suburbs led to urban sprawl, increased car dependency, and a shift in the population away from city centers. This expansion also impacted infrastructure development, housing patterns, and environmental concerns.
It put an end to Persian expansion to the west and led to the contest for power in the Greek world between Athens and its empire and the Spartan-led Peloponnesian League.
It led to the expansion of Hellenistic culture.
The growth of the metal partitions and fixtures industry in the United States was directly related to both the expansion of the retail segment of the economy and the development of new technology.
Increases in industrialization led to the growth of cities, expansion of transportation networks, mass production of goods, and the emergence of the factory system. It also resulted in higher living standards for some, but also led to environmental degradation, exploitation of workers, and income inequality.
Pachacuti
light emitting diode
The expansion was led by Sunni Ali (SOOH-nee-ah-lee), who became ruler of Songhai in 1464