Why do you think so many large cities sit on state borders?

10 comments

1. Rivers. Most of those cities are on rivers that also define the state border

   Easy trade along rivers encouraged city growth

2. Because that is often where the major waterway was, which and was essential to trade and is a natural border line.

3. A lot of state borders are defined by rivers, which are also places where it was convenient and sensible to start a town. The rivers often aided in trade and industry so the towns grew larger.

4. Well, most large cities are on major rivers which we used to draw boarders.

5. Rivers

6. It mostly has do with access to water especially rivers. Most of these cities are major ports.

7. A lot of state borders are mapped around rivers because they’re easy markers. The water access, ease of transport, etc…. also make rivers an attractive place to build cities. Similar idea with natural harbor bays and such.

8. San Diego properly lies on the San Diego bay, is the city of San Ysidro and Otay ranch the parts bordering Mexico

9. That’s where the ports are.

10. Because boarders have traditionally been near natural barriers like rivers and mountains