Answer:
A,B,C
Step-by-step explanation:
Department of Interior: The main conservation agency in the United States, the Department of the Interior (DOI) protects the nation’s natural resources as well as our national parks. It also provides and maintains open space and safeguards our fish and wildlife. The DOI oversees one-fifth of American’s surface land (500 million acres) and maintains the structural integrity of reservoirs and dams. DOI has many agencies, including the Bureau of Indian Affairs and serves as the primarily liaison between the sovereign governments of the Native American nations within the United States and administers many of the social welfare and justice programs on Native lands.