What was the key idea that drives the understanding of the Unionists with regard to the inherent problems of the Ottoman Empire? A Sectarianism B Nationalism C Ottomanism D Fundamentalism

## Step 1<br />The question is asking for the key idea that Unionists used to understand the inherent problems of the Ottoman Empire. The Unionists were a political group in the late Ottoman Empire who believed in the idea of 'Ottomanism'. <br /><br />## Step 2<br />'Ottomanism' was a policy that aimed to create a sense of unity among the diverse ethnic, linguistic, and religious groups within the empire. This policy was designed to overcome the inherent problems of sectarianism, nationalism, and fundamentalism, which were seen as obstacles to unity.<br /><br />## Step 3<br />Given the options, the key idea that drives the understanding of the Unionists with regard to the inherent problems of the Ottoman Empire is 'Ottomanism'.