These national obligations to the states illustrate the concept of federalism because it is the national gov's responsibility to its separate but contributing, building blocks.
Answer:
protection of air, land, water, biodiversity, and the renewable natural resources
Explanation:
Due to the urbanization and also the advancement of the technology in the 20th century, many natural resources like air, water, land and biodiversity started to get exploited.
There is the increase in the levels of the pollutants in air and water and land is being degraded. There is non stop use of the natural resources and not taking the care of their sustainability.
Thus protection of these natural resources emerged as a major issue then.
On June 29, 1947, as the first president to address the National Association for the Advancement of Colored People (NAACP), Harry Truman pledges his support for upholding the civil rights of all Americans.
