 The U.S. government broke off diplomatic relations with Cuba in October 1960 and imposed a partial financial embargo.After the Bay of Pigs invasion in April 1961 and Cuba's announcement that it was a Communist state in May, relations between Cuba and the U.S. deteriorated further.Hemingway was being treated for severe depression in the U.S. through the first half of 1961, and the Hemingways could not return to Cuba due to the hostile political climate between the two countries.