The 1961 elections gave the PNM 57% of the votes and 20 of the 30 seats. This two-thirds majority allowed them to draft the Independence Constitution without input from the DLP. Although supported by the Colonial Office, independence was blocked by the DLP, until Williams was able to make a deal with DLP leader Rudranath Capildeo that strengthened the rights of the minority party and expanded the number of Opposition Senators. With Capildeo's assent, Trinidad and Tobago became independent on 31 August 1962, 25 days after Jamaica. In addition to prime ministership, Williams was also Minister of Finance from 1957 to 1961 and from 1966 to 1971.