<Tr> <Th> Cuban Embassy, Washington, D.C. </Th> <Td> United States Embassy, Havana </Td> </Tr> <Tr> <Th_colspan="2"> Envoy </Th> </Tr> <Tr> <Th> Ambassador José Rodríguez </Th> <Td> Chargé d'affaires Philip Goldberg </Td> </Tr> <P> Cuba and the United States restored diplomatic relations on 20 July 2015, which had been severed in 1961 during the Cold War . U.S. diplomatic representation in Cuba is handled by the United States Embassy in Havana, and there is a similar Cuban Embassy in Washington, D.C. . The United States, however, continues to maintain its commercial, economic, and financial embargo, which makes it illegal for U.S. corporations to do business with Cuba . Leaders in both houses of Congress as well as President Donald Trump support the embargo, although the Cuban government has called for it to be repealed . </P>

When did cuba become part of the united states