 Complete the following phrase:  In the early 9th century, the praitōr was a junior administrative official in the themata, subordinate to the governing stratēgos. Gradually however, the civil functionaries assumed greater power, and by the late 10th century, the praitores or kritai, judges were placed at the head of the civil administration of a thema. This division of civil and military duties was often abandoned in the 12th century, when the posts of civil praitōr and military doux were frequently held in tandem. The provincial post fell out of use after the 