How does the United States preserve natural land, wildlife, and historic treasures today?

Responses

through laws against destroying land, animals, and treasures

through laws against destroying land, animals, and treasures

through a system of hundreds of national parks and monuments

through a system of hundreds of national parks and monuments

through the National Trust for Historic Preservation

through the National Trust for Historic Preservation

through a system of state and local agencies

through a system of state and local agencies