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  2. Constitution of the United States - Wikipedia

    en.wikipedia.org/wiki/Constitution_of_the_United...

    When submitted to the states, ratification by 36 states was required for it to become part of the Constitution, as there were forty-eight states. Twenty-eight had ratified the amendment by early 1937, but none have done so since. To become part of the Constitution today, ratification by an additional ten would be required. [176]

  3. Reconstruction Amendments - Wikipedia

    en.wikipedia.org/wiki/Reconstruction_Amendments

    But by 1869, voting rights were restricted in all states to white men. The narrow election of Ulysses S. Grant to the presidency in 1868 convinced a majority of Republicans that protecting the franchise of black men was important for the party's future. After rejecting broader versions of a suffrage amendment, Congress proposed a compromise ...

  4. History of cataract surgery - Wikipedia

    en.wikipedia.org/wiki/History_of_cataract_surgery

    Toric IOLs were introduced in 1992 and are used worldwide to correct corneal astigmatism during cataract surgery; [38] [1] they have been approved by the FDA since 1998. [41] Also in the late 1990s, optical biometry based on partial coherence infrared interferometry was introduced: this technique improves visual resolution, offers much greater ...

  5. Cataract - Wikipedia

    en.wikipedia.org/wiki/Cataract

    An immature cataract has some transparent protein, but with a mature cataract, all the lens protein is opaque. In a hypermature or Morgagnian cataract, the lens proteins have become liquid. Congenital cataract, which may be detected in adulthood, has a different classification and includes lamellar, polar, and sutural cataracts. [44] [45]

  6. What Is a Cataract? These Are the Causes, Symptoms, and ... - AOL

    www.aol.com/cataract-causes-symptoms-treatments...

    At some point—usually as you enter middle age—most people develop this eye condition, which is a clouding of the eye’s lens that can get progressively worse and impair your vision.

  7. List of clauses of the United States Constitution - Wikipedia

    en.wikipedia.org/wiki/List_of_clauses_of_the...

    The United States Constitution and its amendments comprise hundreds of clauses which outline the functioning of the United States Federal Government, the political relationship between the states and the national government, and affect how the United States federal court system interprets the law. When a particular clause becomes an important ...

  8. Why all federal and state officials must swear an oath to ...

    www.aol.com/why-federal-state-officials-must...

    The second paragraph of Article VI states: “This Constitution, and the Laws of the United States which shall be made in Pursuance thereof, made under the Authority of the United States, shall be ...

  9. History of the United States Constitution - Wikipedia

    en.wikipedia.org/wiki/History_of_the_United...

    [r] The Constitution added ten more. Five were minor relative to power sharing, including business and manufacturing protections. [s] One important new power authorized Congress to protect states from the "domestic violence" of riot and civil disorder, but it was conditioned by a state request. [80]