Why did Nobel Prize Winner Juan Ramon Jimenez leave Spain during the Spanish civil war?

Among the people who fled Spain during the Spanish civil war was a future Nobel Prize winner: poet Juan Ramon Jimenez (1881-1958).

He was one of many intellectuals opposed to Franco who emigrated at this time. He lived in Cuba for a while, then in the United States, where he taught at the University of Maryland.

Author of such poetry collections as Unidad (Unity, 1925), he won the Nobel Prize for literature in 1956. He died two years later in Puerto Rico.