Congress, 8 out of 14 senators and 19 out of 67 representatives had collaborated with the Japanese during the occupation. In an attempt to undermine Osmeña's chances of winning the 1946 Philippine presidential election, MacArthur forced the Osmeña administration to make unpopular decisions while he groomed Roxas to run in the 1946 election. On April 12, 1945, President Roosevelt died and his vice-president, Harry S Truman, succeeded him. Truman had little interest in the Philippines, as he had more pressing concerns to face in his first months of office. When MacArthur left the Philippines for Japan to sign the armistice ending the war on August 30, 1945, the Philippines has been in a chaotic state, with the economy in tatters and the political status undecided. When he took over the American occupation of Japan, MacArthur in turn lost his interest in the Philippines, only returning to Manila on July 4, 1946, to witness the declaration of Filipino independence before promptly returning to Tokyo. Presidential election of 1946 Prior to the Philippine national elections of 1946, at the height of the last Commonwealth elections, Senate President Roxas and his friends left the Nacionalista Party and formed the Liberal Party. Roxas became their candidate for president and Elpidio Quirino for vice-president. The Nacionalistas, on the other hand, had Osmeña for president and Senator Eulogio Rodriguez for vice-president. Roxas had the staunch support of General MacArthur. The American military government strongly favored Roxas during the election, regarding him as the Filipino politician most likely to allow the American bases to continue in the Philippines after independence. The British historian Francis Pike wrote that Roxas "effectively brought" the 1946 election, helped by the fact that he owned the largest newspaper empire in the Philippines. The Roxas newspapers election coverage were essentially campaign ads for the Roxas campaign. Osmeña refused to campaign, saying that the Filipino people knew of his reputation. On April 23, 1946, Roxas won 54 percent of the vote, and the Liberal Party won a majority in the legislature. Presidency Administration and cabinet Last president of the Commonwealth On May 28, 1946, prior to his inauguration, president-elect Roxas, accompanied by United States High Commissioner Paul V. McNutt, left for the United States. During his U.S. visit, Roxas came out clearly for the United States to maintain its bases after independence, saying in a speech: "We will welcome the existence of your naval,