Mahatma Gandhi used salt to launch his first major campaign of non-violent civil disobedience. By picking up a pinch of salt left by the tide, he broke the British law making it a crime to possess salt not obtained from the government monopoly.
Salt wasn't always readily available or cheap. In medieval Europe it represented a third of the income of Poland's kings.
The ancient Egyptians salt-cured their fish.
The Romans were big salt-users. They paid the soldiers in salt." Which is apparently where the term "worth his salt" came from, and the word "salary" and "soldier.
You may not know this, but salt is used in the manufacture of some 14,000 different products.
"SALT, A World History" is a book that shows how an item of food becomes a commodity of trade, so it becomes economically important, then it becomes politically important and eventually it becomes culturally important"
I Highly recommend Kurlansky's book . It put history into a different perspective for me & I enjoyed

interesting