Constantinople had defined the front line in a long-running struggle between two closely related versions of the truth that was to be pursued for hundreds of years. In the interim, Muslim thinkers were forced to recognize a practical change in the relationship between the House of Islam and the House of War; the final conquest of the non-Muslim world would have to be postponed, perhaps until the end of the world. Some jurists conceived of a third state, the House of Truce, to express postponement of final victory. The age of jihad seemed to be over.