Original sentence: parks system, collaborating on thorny public-land and cattle-grazing issues; persuading tribal chiefs in Samoa (remembering that Maughan speaks Samoan) to cancel a rain forest logging contract with a Japanese company and turn the acreage into a protected park--he, in return, built a modern school to replace the village's thatch-roofed hut, and hired certified teachers
Edited sentence: parks system, collaborating on thorny public-land and cattle-grazing issues; persuading tribal chiefs in Samoa (remembering that Maughan speaks Samoan) to cancel a rain forest logging contract with a Japanese company and turn the acreage into a protected park—he, in return, built a modern school to replace the village's thatch-roofed hut, and hired certified teachers