Genghis Khan (and Timur, who followed suit later) likely established the tradition of not designating a successor. He believed that the issue of ascension should remain open. It was anticipated that the most capable individual, able to vanquish rivals for the throne, would emerge as the strongest ruler and govern the Empire more effectively. It was irrelevant if brothers, stepbrothers, widows, and uncles fought against one another; politics took precedence over emotions. Primogeniture, the right