The rise of General Fulgencio Batista in the 1930s to de facto leader and President of Cuba for two terms (1940–44 and 1952–59) led to an era of close co-operation between the governments of Cuba and the United States. The United States and Cuba signed another Treaty of Relations in 1934. Batista's second term as president was initiated by a military coup planned in Florida, and U.S. President Harry S. Truman quickly recognized Batista's return to rule providing military and economic aid. The Batista era witnessed the almost complete domination of Cuba's economy by the United States, as the number of American corporations continued to swell, though corruption was rife and Havana also became a popular sanctuary for American organized crime figures, notably hosting the infamous Havana Conference in 1946. U.S. Ambassador to Cuba Arthur Gardner later described the relationship between the U.S. and Batista during his second term as President: