In the past the popular eating fish rather than livestock may be fermented in order to innovate, add sweet taste and is used as a component of any food or eating is with rice, and also a favorite from the past until now.
In the past, people eat fish rather than terrestrial animals. It was probably invented chili to taste. And pastes used as a component of various food eaten as a side dish or used to be. It has been popular in the past to the present.
In the past commonly eaten fish more than animals. May therefore invented paste up to season. And the paste is used as a component of various foods, or used to eating as a side dish.