Complex sentence: Of the 16 members of Qasim's cabinet, 12 of them were Ba'ath Party members; however, the party turned against Qasim due to his refusal to join Gamel Abdel Nasser's United Arab Republic.
Split into simpler sentences: Of the 16 members of Qasim's cabinet, 12 of them were Ba'ath Party members. However, the party turned against Qasim due to his refusal to join Gamel Abdel Nasser's United Arab Republic.