The Sierra Club, with over 700,000 members nationwide, is the oldest grassroots environmental organization in the United States. It sees its purpose as preservation, protection, and enhancement of the natural environment.
Article IV, Section 4. This section is called the Guarantee Clause, because by its terms the federal government makes certain guarantees to the states. One of theseâprotection from foreign invasionâcontinued Congress's prior obligation under the Articles of Confederation.
Privileges and immunities of State Citizenship Clause in Article 4 (Comity Clause) has a narrow but important meaning. It prohibits serious discrimination against out-of-state individuals, especially in the context of access to the private job market, i.e., prohibits requiring those work in state to live in state.