The first was walled cities. Another is both offensive and defensive was a fleet of warships. And a third was alliance with other cities.
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Answer: Industrialization led to urbanization by creating economic growth and job opportunities that expanded the population of cities. Urbanization allowed the workers to live near the factories and gave people a new opportunity for social mobility.
Southeast Asia is a region of great linguistic and geographic diversity where hundreds of languages, belonging to five different families, are spoken. Mainland Southeast Asia includes Myanmar, Thailand, Laos, Cambodia and Vietnam.
