| U.S. president, 1861-1865 | 25 |
| U.S. president, 1909-13 | 23 |
| U.S. president, at times | 24 |
| U.S. priest-poet: 1845-1909 | 27 |
| U.S. psychologist Arnold ___ | 28 |
| U.S. public health agcy. | 24 |
| U.S. publisher: 1858-1935 | 25 |
| U.S. publishing family | 22 |
| U.S. radio station in Berlin | 28 |
| U.S. railroad, for short | 24 |
| U.S. ranch bird, nowadays | 25 |
| U.S. real estate deal: 1853 | 27 |
| U.S. rebellion leader of 1842 | 29 |
| U.S. reconnaissance satellite | 29 |
| U.S. resident's peers | 25 |
| U.S. retailer since 1902 | 24 |
| U.S. revolutionary Daniel ___ | 29 |
| U.S. rocket launched in 1961 | 28 |
| U.S. savings certificate | 24 |
| U.S. school near Juarez | 23 |
| U.S. sculptor of 1800's | 27 |
| U.S. seaport founded in 1626 | 28 |
| U.S. Sec. of State: 1905-9 | 26 |
| U.S. Sec. of War: 1829-31 | 25 |
| U.S. Security investment | 24 |
| U.S. security offering | 22 |
| U.S. security, briefly | 22 |
| U.S. security, for short | 24 |
| U.S. Senate alumnus Sam | 23 |
| U.S. Shaker sect founder | 24 |
| U.S. slalom great Phil | 22 |
| U.S. Soc. of Sculptors site | 27 |
| U.S. soldier in W.W. II | 23 |
| U.S. soldier, personified | 25 |
| U.S. space observatory | 22 |
| U.S. spacecraft mission | 23 |
| U.S. Special Forces unit | 24 |
| U.S. special investigator | 25 |
| U.S. Star Wars program | 22 |
| U.S. statehood entrant: 1907 | 28 |
| U.S. statesman and family | 25 |
| U.S. statesman Elbridge ___ | 27 |
| U.S. statesman: 18th century | 28 |
| U.S. swimming star Janet | 24 |
| U.S. taxpayer's dread | 25 |
| U.S. tennis champ: 1937 | 23 |
| U.S. tennis champ: 1977 | 23 |
| U.S. tennis player Oudin | 24 |
| U.S. terr., 1861-'89 | 24 |
| U.S. territory in the Pacific | 29 |
| U.S. territory until 1889 | 25 |
| U.S. threat level at airports | 29 |
| U.S. trade laws of 1800's | 29 |
| U.S. Treasury Dept. agcy. | 25 |
| U.S. undercover outfit | 22 |
| U.S. union, founded 1935 | 24 |
| U.S. vaccine authority | 22 |
| U.S. vice president 1801-1805 | 29 |
| U.S. vice president Barkley | 27 |
| U.S. victory site of 1945 | 25 |
| U.S. visitor since 1976 | 23 |
| U.S. voters since 1920 | 22 |
| U.S. warship in 1989 news | 25 |
| U.S. weather satellite | 22 |
| U.S. Women's Open org. | 26 |
| U.S. workplace watchdog | 23 |
| U.S. World Heritage site | 24 |
| U.S. writer and lecturer | 24 |
| U.S. writer Dalton ___ | 22 |
| U.S. writer James et al. | 24 |
| U.S. writer-anthropologist | 26 |
| U.S. writer: 1871–1945 | 29 |
| U.S.'s Ryder Cup foe | 24 |
| U.S., Latin Amer., etc. | 23 |
| U.S.-backed investment | 22 |
| U.S.-born Jordanian queen | 25 |
| U.S.-Can. defense org. | 22 |
| U.S.-Canada border lake | 23 |
| U.S.-Canada defense acronym | 27 |
| U.S.-Canada defense grp. | 24 |
| U.S.-Canada defense letters | 27 |
| U.S.-Canadian defense acronym | 29 |
| U.S.-Croatian inventor | 22 |
| U.S.-Mex.-Can. commerce pact | 28 |
| U.S.-Mex.-Can. concordat | 24 |
| U.S.-Mexico border city | 23 |
| U.S.-U.S.S.R. breather | 22 |
| U.S.-U.S.S.R. negotiations | 26 |
| U.S./Canada defense grp. | 24 |
| U.S./Canada partnership | 23 |
| U.S./Canada's __ Canals | 27 |
| U.S./Canada's ___ Canals | 28 |
| U.S./Canadian defense system | 28 |
| U.S./Gr. Brit. separator | 24 |
| U.S./Mex./Can. commerce pact | 28 |
| U.S./Mexico border city | 23 |
| U.S./Mexico crossing site | 25 |
| U.S.: county :: U.K. : __ | 25 |
| U.S.A. or U.S.N. officer | 24 |
| U.S.A. radio initials abroad | 28 |