The correct answer to this question is C) Some Arab lands were made mandates of European powers.
The Paris peace conference affected the Arabs in that some Arab lands were made mandates of European powers.
The Arabs had been soliciting the Independence of its territory before the war. They believed that during the conference that would be granted. But instead of gaining Independence sometime ago were promised, many Arab lands were made mandates of European powers. European countries such as France were granted Syria and Lebanon, and the British would gain Palestina and Iran. The Arabs did not gain anything. That is why the Paris peace conference affected the Arabs in that some Arab lands were made mandates of European powers.