 Complete the following phrase:  On 17 August 1945, Sukarno and Hatta proclaimed independence, but the Dutch regained control of the town and adjoining areas. In February 1948, Buitenzorg was included in the quasi-independent state of West Java, which was renamed Pasundan in April 1948 . This state was established by the Netherlands as a step to transform their former colonial possessions in the East Indies into a dependent federation. In December 1949, Pasundan joined the Republic of the United States of Indonesia , RIS established at the 