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TEST 10 – The History of Salt
Salt is so simple and plentiful that we almost take it for granted. In chemical terms, salt is the
combination of a sodium ion with a chloride ion, making it one of the most basic molecules on earth. It is
also one of the most plentiful: it has been estimated that salt deposits under the state of Kansas alone could
supply the entire world's needs for the next 250,000 years.
But salt is also an essential element. Without it, life itself would be impossible since the human body
requires the mineral in order to function properly. The concentration of sodium ions in the blood is directly
related to the regulation of safe body fluid levels. And while we are all familiar with its many uses in
cooking, we may not be aware that this element is used in some 14,000 commercial applications. From
manufacturing pulp and paper to setting
dyes in textiles and fabric, from producing soaps and detergents to
making our roads safe in winter, salt plays an essential part in our daily lives.
Salt has a long and influential role in world history. From the dawn of civilization, it has been a key
factor in economic, religious, social and political development. In every corner of the world, it has been the
subject of superstition, folklore,
and warfare, and has even been used as currency.
As a precious and portable commodity, salt has long been a cornerstone of economies throughout
history. In fact, researcher M.R. Bloch conjectured that civilization began along the edges of the desert
because of the natural surface deposits of salt found there. Bloch also believed that the first war - likely
fought near the ancient city of Essalt on the Jordan River - could have been fought over the city's precious
supplies of the mineral.
In 2200 BC, the Chinese emperor Hsia Yu levied one of the first known taxes. He taxed salt. In Tibet,
Marco Polo noted that tiny cakes of salt were pressed with images of the Grand Khan to be used as coins
and to this day among the nomads of Ethiopia's Danakil Plains it is still used as money. Greek slave traders
often bartered it for slaves, giving rise to the expression that someone was "not worth his salt." Roman
legionnaires were
paid in salt - a salarium, the Latin origin of the word "salary."
Merchants in 12th-century Timbuktu - the gateway to the Sahara Desert and the seat of scholars -
valued this mineral as highly as books and gold. In France, Charles of Anjou levied the "gabelle," a salt tax,
in 1259 to finance his conquest of the Kingdom of Naples. Outrage over the gabelle fueled the French
Revolution. Though the revolutionaries eliminated the tax shortly after Louis XVI, the Republic of France
reestablished the gabelle in the early 19th Century; only in 1946 was it removed from the books.
The Erie Canal, an engineering marvel that connected the Great Lakes to New York's Hudson River
in 1825, was called "the ditch that salt built." Salt tax revenues paid for half the cost of construction of the
canal. The British monarchy supported
itself with high salt taxes, leading to a bustling black market for the
white crystal. In 1 785, the earl of Dundonald wrote that every year in England, 10,000 people were arrested
for salt smuggling. And protesting against British rule in 1930, Mahatma Gandhi led a 200- mile march to
the Arabian Ocean to collect untaxed salt for India's poor.
In religion and culture, salt long held an important place with Greek worshippers consecrating it in
their rituals. Further, in Buddhist tradition, salt repels evil spirits, which is why it is customary to throw it
over your- shoulder before entering your house after a funeral: it scares off any evil spirits that may be
clinging to your back. Shinto religion also uses it to purify an area. Before sumo wrestlers
enter the ring for
a match - which is in reality an elaborate Shinto rite a handful is thrown into the center to drive off
malevolent spirits.
In the Southwest of the United States, the Pueblo worship the Salt Mother. Other native tribes had
significant restrictions on who was permitted to eat salt. Hopi legend holds that the angry Warrior Twins
punished mankind by placing valuable salt deposits far from civilization, requiring hard work and bravery to
harvest the precious mineral. In 1933, the Dalai Lama was buried sitting up in a bed of salt. Today, a gift of
salt endures in India as a potent symbol of good luck and a reference to Mahatma Gandhi's liberation of
India.