Complex sentence: Soon after, Prince Norodom Sihanouk announced the dissolution of the Cambodian Boy Scout Association, whose members were subsequently integrated into the JSRK, a government sponsored national socialist youth movement.
Split into simpler sentences: Soon after, Prince Norodom Sihanouk announced the dissolution of the Cambodian Boy Scout Association. Its members were subsequently integrated into the JSRK, a government sponsored national socialist youth movement.