<span>habitat destruction, pollution, over-harvesting, disease, predation, and other natural or man-made factors must be reviewed and evaluated before an animal or plant can be placed on the federal endangered or threatened species list</span>
Labor. People have always been an important resource in producing goods and services, but many people are now being replaced by technology.
Answer:
John C, Calhoun was a ardent supporter of slavery and a Vice-President of the United States and a senator from South Carolina. He believed African Americans were intellectual inferior.
Explanation:
