 Complete the following phrase:  On 24 April 1915, Talaat issued an to close all Armenian political organizations operating within the Ottoman Empire and arrest Armenians connected to them, justifying the action by stating that the organizations were controlled from outside the empire, were inciting upheavals behind the Ottoman lines, and were cooperating with Russian forces. This order resulted in the arrest on the night of 2425 April 1915 of 235 to 270 