17. CONCLUTION In conclusion ideology defines, as ideas with knowledge. And it exists from explanatory theory with human experience. Ideology change economic and social sector of the world. We can say it is a series of thought. Each ideology makes changes in existing system. There is no common definition of ideology. It also can be define as science of ideas or coherent ideas and argument. It can be logic, systematize or coherent. At last ideology is a set of belief aims and ideas which apply to the society.