Provided a means of transportation and irrigation
The means of irrigation and transportation.
borders and elevations that were easy to defend
they became centers of learning and culture
Glaciers eroded valleys, and when the ice melted, the valleys were flooded, and became fjords.
it is pensilvania
The city centers became business districts
olmec
Government became more powerful
The centers of most cities became business areas after the invention of buildings. Apex: The Streetcar
it is pensilvania
the establishment and rapid growth of permanent settlements
the establishment and rapid growth of permanent settlements
The centers of most cities became business areas after the invention of buildings. Apex: The Streetcar