The Wikipedia page for the European Union provides an in-depth overview of the supranational political and economic organization that consists of 27 member states located in Europe.

The U.

The Wikipedia page "President of the United States" provides a comprehensive overview of the highest-ranking political position in the United States.

Sustainability is a concept that focuses on meeting the needs of the present without compromising the ability of future generations to meet their own needs.

The Wikipedia page on the United States provides a comprehensive overview of the country.

The United States Constitution is the supreme law of the United States of America.