Original sentence: Carter's supporters attributed to the failure of the agreement to ongoing American sanctions (contrary to the agreement) due to opposition from a Republican-controlled Congress, while critics questioned whether the North Korean government ever intended to give up its nuclear weapons program.Though the Agreed Framework negotiated by Jimmy Carter was widely hailed at the time as a diplomatic achievement, in 2005 North Korea announced that it had nuclear weapons
Edited sentence: , and in 2005, North Korea announced that it had nuclear weapons.Though the Agreed Framework negotiated by Jimmy Carter was widely hailed at the time as a diplomatic achievement, due to opposition from the Republican controlled Congress, the U.failed to phase out economic sanctions as required by the agreement