 Complete the following phrase:  In accordance with the new Treaty of Kraków, the Order was abruptly secularized and turned de facto into a puppet state of Poland which lasted until the Treaty of Bromberg in 1655. Sigismunds nephew Albert, Duke of Prussia, converted to Lutheranism under the persuasion of Martin Luther, and paid a feudal homage to Sigismund. In return he was granted the domains of the Order as the First Duke of Prussia. This became known in Polish and Lithuanian history as the 