Define tend to and write a sentence

to persuade readers which is answer c

one of the central themes of edward abbey's work has been his staunch opposition to the glen canyon dam on the colorado river that created lake powell, destroying stunning scenery and wildlife habitat, endangering many rare species of fish and animals, and also irreparably destroying many important archaeological sites which provided information about the early inhabitants of the united states.

the most appropriate strategy would be to do a questions and answer type speech.

i believe that the answer is true.