Before the 1959 United States and Cuba they have a good relationship. The rise of General Fulgencio Batista in the 1930s to the de facto leadership and presidency during two legislatures (1940-44 and 1952-59) produced a period of close cooperation between the governments of Cuba and the United States. The second term as President of Batista was initiated by a planned military coup in Florida, and US President Harry Truman soon recognized Batista's return to power with military and economic aid. When Fidel Castro came to power in 1959, relations between the two countries quickly devolved into bitter arguments, political grandstanding and the occasional international crisis.
The United Soviet Socialist Repubilc (USSR) and the United Stated of America
Napoleon ||| invaded and conquered Mexico in 1862, giving control to the monarch Emperor Maximilian. Washington denounced this as a violation of the doctrine but was unable to intervene because of the American Civil War.
Rock and Roll came out about the time of the Television gaining popularity in the U.S. Television was absorbing the dramas that had previously been on radio. As such, radio was expanding into the music market. One of the pioneer radio hosts was "Moondog" Alan Freed in Cleveland, Ohio is credited with naming this new style of music which was in part derived from R&B music.