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              [3]
            
             
            
                U.S.Faces Uphill Climb to Rival China''s Rare-Earth Magnet Industry          .2         Alistair MacDonald. WSJ        . 2021
              
              [4]
            
             
            
                US Economy Shrank 3.5%in 2020 after Growing 4%Last Quarter          .2         Martin Crutsinger. AP News        . 2021
              

