What was theodore roosevelt's most significant contribution to the conservation movement as president?  establishing the first national park in the world at yellowstone  passing legislation such as the forest reserve act to protect forests  protecting large areas of federal land as national refuges, parks, and forests  creating the civilian conservation corps to maintain and improve national parks

C if your are on plato

china unilaterally claims the entire south china sea as sovereign territory, then builds artificial islands to bolster its claim. it suddenly activates an air defense identification zone over the east china sea, and threatens to down any aircraft that does not report its position. it builds roads into indian territory, then redraws the maps to show that it is actually chinese territory. the people's republic under president xi jinping is quickly becoming the bully of asia.

a memoir is the correct answer