Soviet union
After the Cuban Revaluation of 1959, Cuba became increasingly dependent on the soviet union.
States and rights was a very large factor contributing to the Civil War. With Lincoln becoming president and representing the North, the Southern states seceded, leading to a war. The state governments of the South argued, since the constitution and federal government was created by the states, the federal government had no right to stop from seceding. President Lincoln and other northerners disagreed and wanted to preserve the Union.
Answer: Portugal
Explanation: In 1494, the two kingdoms of the Iberian Peninsula divided the New World between them (in the Treaty of Tordesillas), and in 1500 navigator Pedro Álvares Cabral landed in what is now Brazil and laid claim to it in the name of King Manuel I of Portugal.