Atoxic dumping site leaks into a local water supply and prompts a public outcry. the local and then the state government each take actions to clean up the site and to fine the company for damages. which of the following would be a potential positive externality for the national environment? . a. more funds for pro-business political candidates. b. increased funding for oceanic research efforts. c. renewed interest among students in the humanities. d. tighter federal oversight laws and restrictions