Indonesia–Malaysia confrontation become self-governing in 1959). In May 1961, the UK and Malayan governments proposed a larger federation called Malaysia, encompassing the states of Malaya, North Borneo, Sarawak, Brunei, and Singapore. Initially, Indonesia was mildly supportive of the proposed Malaysia, although the PKI (Partai Komunis Indonesia — Indonesian Communist Party) was strongly opposed to it. In Brunei, it was unclear whether the Sultan Omar Ali Saifuddien III would support Brunei joining the proposed Malaysian state because of the implied reduction of his political office, and Brunei's oil revenues ensured Brunei's financial viability were it to choose independence. Furthermore, a Brunei politician, Dr.
Majlis Bahasa Brunei-Indonesia-Malaysia MBIM became MABBIM when Brunei joined this council on 4 November 1985. Singapore is as an observer. Majlis Bahasa Brunei-Indonesia-Malaysia MABBIM (shortform for "Majlis Bahasa Brunei-Indonesia-Malaysia" - "Language Council of Brunei-Indonesia-Malaysia") is a regional language organisation which is formed to plan and monitor the development of the Malay language in the region. It consists of three countries - Brunei, Indonesia and Malaysia. Majlis Bahasa Indonesia-Malaysia (MBIM, Language Council of Indonesia-Malaysia) which was formed on 29 December 1972, after a Pernyataan Bersama was being signed by the late Tun Hussein Onn who was the Education Minister of Malaysia and Bapak Mashuri