Salt, also referred to as table salt or by its chemical formula NaCl, is an ionic compound made of sodium and chloride ions. All life has evolved to depend on its chemical properties to survive. It has been used by humans for thousands of years, from food preservation to seasoning.
Henry Ford increased the production and sale of automobiles by introducing an assembly line and low prices.
The correct answer is C - res publica.
The res publica were a class of people which we would today consider to have been the early aristocrats of Early Rome. Later on, the class of wealthy romans and those who had power were called the patricians.