Task: Editing / Document revision
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Remove all the numbers written as annotations like [1] in the text below and rewrite it exactly as is.  
The Manhattan Project was a nuclear weapons development program led by the United States during World War II, with participation from the United Kingdom and the Dominion of Canada. Conducted in utmost secrecy, the United States succeeded in developing the world’s first atomic bombs based on nuclear fission. The project began at the suggestion of the U.S. Academy of Sciences, including Albert Einstein [4], and involved distinguished physicists who had fled wartime Europe, such as Niels Bohr [5], Enrico Fermi [6], Leo Szilard, John von Neumann, Stanislaw Ulam, Hans Bethe, Wolfgang Pauli, Felix Bloch, Edward Teller, Eugene Wigner, Otto Stern, and many other leading scientists.  

Key American scientists included Julius Robert Oppenheimer; Irving Langmuir, who attended the 1927 Solvay Conference as an American; Arthur Holly Compton; Ernest Lawrence, developer of the cyclotron; Vannevar Bush; James Bryant Conant; Edward Mills Purcell; Luis Walter Alvarez; Harold Clayton Urey; Carl David Anderson; Richard Phillips Feynman; Isidor Isaac Rabi [8]; Willard Libby; Glenn T. Seaborg; Harold Agnew; John Archibald Wheeler; Robert Serber; Kaines Benenbridge; and other capable scientists. More detailed information is better documented on the English Wikipedia.  

Far from being a simple scientific experiment, this was a military operation by the U.S. War Department (now the Department of Defense) to create a weapon of mass destruction for actual combat use. The overall director of the Manhattan Project was U.S. Army Major General Leslie Groves [9].  He was promoted from colonel to brigadier general at the start of the project and received his second star during the project, so many sources refer to him as General Groves.  

Unfortunately, Linus Pauling—considered one of the greatest chemists of the 20th century and renowned since the 1930s for his research on electronegativity and chemical bonding—was asked by Oppenheimer to head the chemistry division but did not participate. [10]

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In the revised text, there should be no brackets or the numbers inside them in accordance with the request.