Local protectionism refers to the tendency of local governments to use their administrative power to implement differential treatment of local enterprises and foreign enterprises in order to safeguard or expand local interests in the region. According to the above definitions, Which of the following situations belong to local protectionism:. ['A mountainous area in the south of the country refuses to visit the mountainous area to protect the local rare wild flora and fauna resources.', 'In order to ensure the market share of local brands, a local government exaggerated the defects of similar products in other places in publicity reports.', 'In order to protect the interests of local supermarket chains, a multinational supermarket group was restricted from issuing tuxedos by charging high taxes and fees.', 'A city government blindly develops the local economy and ignores the retry pollution problem of large chemical plants.']