Critical Reasoning (CR) | All people residing in the country of Gradara approve of

All people residing in the country of Gradara approve of legislation requiring that certain hazardous waste be disposed of by being burned in modern high-temperature incinerators. However, waste disposal companies planning to build such incinerators encounter fierce resistance to their applications for building permits from the residents of every Gradaran community that those companies propose as an incinerator site.

Which one of the following, if true, most helps to explain the residents' simultaneously
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