Final answer:
The statement that is NOT correct about "the question of Palestine" is that it has united the Muslim nations against Israel.
Step-by-step explanation:
The statement that is NOT correct about "the question of Palestine" is C) It has united the Muslim nations against Israel.
The question of Palestine has been a highly contentious issue, and it has created tensions between various groups. However, it is not accurate to say that it has united all Muslim nations against Israel. Throughout history, different Muslim nations have had different stances on the Israeli-Palestinian conflict. Some nations have supported Palestine, while others have established diplomatic relations with Israel.