<P> Due to the geographic ambiguity and Eurocentric nature of the term "Middle East", some people prefer use of the terms Arab World, WANA (West Asia and North Africa) or the less common NAWA (North Africa - West Asia). Both the Arab world and MENA region remain the most common terms and are used by most organizations, academia, and political entities flexibly, including those in the region itself . The World Bank, UNDP and even the UNSC all use both terms . </P> <P> MENA has no standardized definition; different organizations define the region as consisting of different territories . The following is a list of commonly included countries and territories . </P> <Ul> <Li> Algeria </Li> <Li> Bahrain </Li> <Li> Egypt </Li> <Li> Iran </Li> <Li> Iraq </Li> <Li> Israel </Li> <Li> Jordan </Li> <Li> Kuwait </Li> <Li> Lebanon </Li> <Li> Libya </Li> <Li> Mauritania </Li> <Li> Morocco </Li> <Li> Oman </Li> <Li> Palestine (UN observer state) </Li> <Li> Qatar </Li> <Li> Sahrawi Arab Democratic Republic * </Li> <Li> Saudi Arabia </Li> <Li> Syria </Li> <Li> Tunisia </Li> <Li> United Arab Emirates </Li> <Li> Yemen </Li> </Ul> <Li> Palestine (UN observer state) </Li>

Which among the following is the main industry of mena region of the world