Complex sentence: In 1970, the IUOTO general assembly voted in favor of forming the World Tourism Organization (WTO), based on statutes of the IUOTO, and after ratification by the prescribed 51 states, the WTO came into operation on November 1,1974.
Split into simpler sentences: In 1970, the IUOTO general assembly voted in favor of forming the World Tourism Organization (WTO). Based on statutes of the IUOTO, and after ratification by the prescribed 51 states, the WTO came into operation on November 1,1974.