The following text is for questions 9 to 12.

Mohammad Yamin

    Mohammad Yamin was born in Sawahlunto, West Sumatra, on August 24, 1903 and died in Jakarta, on October 17, 1962. He was a linguist, historian, cultural, political, and legal expert who was awarded a National Hero. He was a pioneer of Indonesian modem literature and Indonesian Youth Pledge. He mostly created Indonesian nationalism images from his essays and poems.

    His political career was initiated when he was still a student in Jakarta. He joined an organization called Jong Sumatranen Bond (Sumatran Youth Association), and then he arranged Youth Pledge which was read in the 2nd Youth Congress on October 28, 1928. From Indonesia Muda (Youthful Indonesia) Organization, he urged that Bahasa Indonesia, which rooted from Malay language, was used as unity language. After Indonesian independence, Bahasa Indonesia has been used as national language and the first language of Indonesian literature.

    Moh. Yamin was a law expert and a famous poet. He produced many works during 1920's and most of his works used Malay language. The pieces written by Moh. Yamin were published in Jong Sumatra Journal. He was also the pioneer of Indonesian modern literature. His renowned history and literary books are Gajah Mada (1945), Sejarah Perang Diponegoro, Tan Malaka (1945), Tanah Air (1922), Indonesia Tumpah Darah (1928), Ken Arok dan Ken Dedes (1934) and Revolusi Amerika (1951).

    Moh. Yamin was also a member of BPUPKI (Committee for Preparatory Work for Indonesian Independence). After the independence, Moh.Yamin had important positions, such as member of National Assembly since 1950, Minister of Education and Cultures (1953-1955), Minister of Social and Cultural Affairs (1959-1960), Chief of ANTARA supervisory board (1961-1962), and Minister of lnformation (1962-1963).

Adopted from: https://factsofindonesia.com/indonesian-heroes and https://m.merdeka.com/mohammad-yamin/profil/ (July 27, 2019)

What can we conclude from the text?