 
 <translate> To answer this question, we should know that: The Admission to the Union Clause of the United States Constitution, oftentimes called the New States Clause, and found at Article IV, Section 3, Clause 1, authorizes the Congress to admit new states into the United States beyond the thirteen already in existence at the time the Constitution went into effect. So the final answer is Congress. <ibo> Iji zaa ajụjụ a, anyị kwesịrị ịmara nke a: Nkwekọrịta Nkwekọrịta na Union nke Iwu United States, nke a na-akpọkarị Iwu New States, nke a na-ahụkwa n'Akụkụ IV, Nkebi nke 3, Nkebi nke 1, na-enye ndị Congress ikike ịnabata steeti ọhụrụ na United States karịa iri na atọ dị adị n'oge Iwu ahụ malitere ịdị irè. Ya mere azịza ikpeazụ bụ Congress. 