In my TL (POD being a quicker Union victory during the Civil War) the U.S. has 58 states by 2011 including several gained from the French Empire after the Great War. Other than OTL 50 states, are
Name: Cuba Date of Statehood: 1901 Capital: Havanna Pop: 14,002,766
Name: Santo Domingo (OTL Dominican Republic) Date of Statehood: November 19, 1912 Pop: 10,561,249
Name: Puerto Rico Date of Statehood: November, 3 1936 Capital: San Juan Pop: 3,924,677
Name: Guadeloupe and Martinique Date of Statehood: November, 11 1949 Capital: Pointe-a Pitre Pop:903,203
Name: Panama Date of Statehood: February, 6 1951 Capital: Panama City Pop:3,505,667
Name: Pacifica (OTL Polynesia) Date of Statehood: January, 18 1979 Capital: Apia Pop: 646,432
Name: Micronesia Date of Statehood: November, 22 1988 Capital: Dededo Pop: 558,495
Name: Guiana Date of Statehood: July, 2 1992 Capital: Lincoln Pop: 496,244