Chewing gum originated in America. 1836, a Mexican general was captured in the Battle of Jasento. After being released, he went to new york with a kind of dry pectin, and wanted to study it with adventurers to replace rubber. He took gum to meet Adams, an adventurer in Jersey, USA. But the experiment of replacing rubber with it failed. The general escaped because of debts. When talking with the general, Adams found that he took a small piece of chewing gum from his pocket from time to time and put it in his mouth to chew. Adams' son likes it, too. One day, Adams saw the shopkeeper selling a piece of paraffin to the little girl in a drugstore (paraffin was used for chewing at that time). This incident reminded him of the general's chewing gum and his son's interest. So he agreed with the drugstore owner that he would process the chewing gum brought by the general into a new round chew. Then, Adams bought a batch of chewing gum, rented a house and started mass production. This is the earliest chewing gum. After World War II, people began to experiment with chewing gum synthetic agent and synthetic resin, and achieved success. Since then, chewing gum has swept the world.