The life of the mankind in the ancient times there was a difference with the way of life of many men due to population of. Humans in ancient times there is less individual and each family will be living alone by manually creating a shelter made of domestication and apparel, hunting for their living, according to each person's abilities. When the human society is expanding and there are no men in accordance with same. Some people prefer to hunt Some people prefer to some preferential cultivation in apparel, thus originating the system of Exchange by using Exchange (Barter System), such as rice or meat then Exchange clothes, etc., but the exchange of exchange of certain problem occurred because some of the drug division.3. Exchange of tank, like rice, but if a person has 1 cow with grain 1 to 1 Exchange for cattle tank. There must be a separation of the bull, which made it difficult, or sometimes the needs of people who bring such people match closely, kamai with eggs to exchange for clothes, but for people who have to rice, clothes, etc. Thus, the system of exchange of the change by using the medium of Exchange. What each era bring is used as a medium of Exchange is dependent on the satisfaction of people in each age, such as shell. Gold, etc., which has developed a change at all times.
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