Article I, Section 8, Clause 18 Necessary and Proper Clause

• To make all Laws which shall be necessary and proper for carrying into Execution the foregoing Powers, and all other Powers vested by this Constitution in the Government of the United States, or in any Department or Officer thereof.

• • ArtI.S8.C18.1 Overview of Necessary and Proper Clause
  • ArtI.S8.C18.2 Historical Background on Necessary and Proper Clause
  • ArtI.S8.C18.3 Necessary and Proper Clause Early Doctrine and McCulloch v. Maryland
  • ArtI.S8.C18.4 Nineteenth Century Evolution of Necessary and Proper Clause Jurisprudence
  • ArtI.S8.C18.5 Modern Necessary and Proper Clause Doctrine
  • ArtI.S8.C18.6 Meaning of Proper

• • ArtI.S8.C18.7 Investigations and Oversight
    • ArtI.S8.C18.7.1 Overview of Congress's Investigation and Oversight Powers
    • ArtI.S8.C18.7.2 Historical Background on Congress's Investigation and Oversight Powers
    • ArtI.S8.C18.7.3 Congress's Investigation and Oversight Powers (1787–1864)
    • ArtI.S8.C18.7.4 Congress's Investigation and Oversight Powers (1865–1940)
    • ArtI.S8.C18.7.5 Congress's Investigation and Oversight Powers (1940–1970)
    • ArtI.S8.C18.7.6 Rules-Based Limits of Congress's Investigation and Oversight Powers
    • ArtI.S8.C18.7.7 Constitutional Limits of Congress's Investigation and Oversight Powers
    • ArtI.S8.C18.7.8 Watergate, Church, and Pike Investigations of Congress
    • ArtI.S8.C18.7.9 Congress's Investigatory Powers Generally
    • ArtI.S8.C18.7.10 Congress's Investigatory Powers and the President

• • ArtI.S8.C18.8 Immigration
    • ArtI.S8.C18.8.1 Overview of Congress's Immigration Powers
    • ArtI.S8.C18.8.2 English Common Law on Immigration
    • ArtI.S8.C18.8.3 Colonial Period, Constitutional Convention, and Immigration
    • ArtI.S8.C18.8.4 Early Federal Laws on Immigration
    • ArtI.S8.C18.8.5 Immigration Jurisprudence (1837–1889)
    • ArtI.S8.C18.8.6 Immigration Jurisprudence (1889–1900)
    • ArtI.S8.C18.8.7 Plenary Power
      • ArtI.S8.C18.8.7.1 Overview of Immigration Plenary Power Doctrine
      • ArtI.S8.C18.8.7.2 Aliens in the United States
      • ArtI.S8.C18.8.7.3 Aliens Seeking to Enter the United States
    • ArtI.S8.C18.8.8 Modern Era
      • ArtI.S8.C18.8.8.1 Overview of Modern Immigration Jurisprudence
      • ArtI.S8.C18.8.8.2 Exclusion of Aliens
      • ArtI.S8.C18.8.8.3 Kerry v. Din and Trump v. Hawaii
      • ArtI.S8.C18.8.8.4 Federal Laws Relating to Aliens
      • ArtI.S8.C18.8.8.5 Immigration-Related State Laws