If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content
Cities forever changed the way humans lived. Cities connected the people living in them to one another, to surrounding farmland, and to people in other cities. Created by World History Project.
Sort by: