Moro. In December 1965, he was forced to resign after the publication of an unauthorized interview, in which he harshly criticised the government and the United States. However, after only two months, he returned to the office in Moro's third cabinet. During his ministry, he implemented a strong pro-European politics, advocating a strengthen of the European Economic Community (EEC). Moreover, he was a vocal opponent of US bombing on civilians during the Vietnam War. Fanfani also continued implementing his pro-Arab policies in the Mediterranean Sea, and tried to built a closer relation with China. From 1965 to 1966, he also served as President of the United Nations General Assembly, becoming the only Italian to have held this office. In the 1968 general election, Fanfani ran for the Senate of the Republic, being elected in the constituency of Arezzo, with 41,070 votes. On 5 June 1968, he was elected President of the Senate and remained in office until 26 June 1973. On 26 September 1968, Fanfani lost his wife, Biancarosa, who died of cerebral venous thrombosis, at only 54-year-old. In March 1970, after the fall of Mariano Rumor's second cabinet, President Saragat gave Fanfani the task of forming a new center-left government, but his proposal to bring in the cabinet, all the parties' secretaries was not accepted, because was seen as an excessive way to strengthen the government, in contrast to the particracy which dominated Italian politics. On 27 March 1970, Rumor was sworn in as prime minister again. In the 1971 presidential election, Fanfani was proposed as Christian Democracy's candidate for the Presidency of the Republic. Once again the move failed, being weakened by the divisions within his own party and the candidacy of the socialist Francesco De Martino, who received votes from PCI, PSI and some PSDI members. Fanfani retired after several unsuccessful ballots and, at the twenty-third round, Giovanni Leone, who was Fanfani's rival in the 1964 election, was finally elected with a centre-right majority. On 10 March 1972, Leone appointed Fanfani Senator for life. Second term as secretary In June 1973 Fanfani was elected secretary of the Christian Democracy for a second term, replacing his former protégé Arnaldo Forlani, who was now a supporter of centrist policies. As such, he led the campaign for the referendum on repealing the law allowing divorce, which was approved by the parliament in 1970. Those voting "yes" wanted to outlaw divorce