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.
Constitutional Amendments: Article 5 of the US Constitution. Article V of the US Constitution deals with the process of making Constitutional Amendments. Article 5 of the US Constitution states that constitutional amendments have to be passed by a two-thirds majority in both houses of the legislature (upper and lower houses of Congress). Constitutional amendments must then be ratified by three-fourths of states. and then by the states.