Eli5: how did humans get salt before modern means of transportation

Question

The human body needs salt to function properly, but surely First Nations of the prairies, people of central Africa or of Central Europe, from the Mongolian steppes and from other landlocked places, couldn’t have access to salt marshes. So where did they get it from?

In: 146

Answer 1

There have been trade routes for thousands of years that brought things like salt inland. Everywhere there were people there were trade routes. At least 10,000 years ago they find goods in archaeological digs that originated sometimes thousands of miles away