Interesting Snippet:
Salt, not enough everywhere, became the hottest trade item!
Fun Facts
Not all places of human settlements had enough salt mines. For 9000 years after the advent of Agriculture, humans settled in small groups and began to grow in numbers. By 3000 BC they began to come together to form cities that is the time when SALT began to get traded as most precious commodity at that time.
Time Pass
At some time in past history Gold, Saffron and Salt were equally important traded items.