Pls help with these questions on long walk to freedom b and 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.

y̥ͦo̥ͦu̥ͦr̥ͦ p̥ͦo̥ͦi̥ͦn̥ͦt̥ͦ i̥ͦs̥ͦ