American Republican Party

The American Republican Party was a minor nativist political organization that was launched in New York in June 1843, largely as a protest against immigrant voters and officeholders. In 1844, it carried municipal elections in New York City

New York City

New York is the most populous city in the United States and the center of the New York Metropolitan Area, one of the most populous metropolitan areas in the world. New York exerts a significant impact upon global commerce, finance, media, art, fashion, research, technology, education, and...

 and Philadelphia and expanded so rapidly that by July, 1845, a national convention was called. This convention changed the name to the Native American Party and drafted a legislative program calling for a twenty-one-year period preceding naturalization

Naturalization

Naturalization is the acquisition of citizenship and nationality by somebody who was not a citizen of that country at the time of birth....

 and other sweeping reforms in the immigration policy. Failure to force congressional action on these proposals, combined with the growing national interest in the Mexican problem before the Mexican-American War, led to the party's rapid decline.

Source

• Adams, James Truslow
  James Truslow Adams
  James Truslow Adams was an American writer and historian. He was not related to the famous Adams family...
  
  . Dictionary of American History, New York: Charles Scribner's Sons, 1940