 Complete the following phrase:  Due to the lack of Greeks in the lands of the Seleucid kingdom, the use of allied, vassal and mercenary troops was great. They were often used as light and auxiliary troops, supplementing the phalanx and cavalry. Large numbers of native contingents fought at the Battle of Raphia in 217 BC. Among them were 10,000 Arab infantry, 5,000 Dahai, Carmanians and Cilicians. Certain ethnic contingents, be they vassal or mercenary, were of considerable use. For example, Thracian mercenaries along with Mysian, Cilician, Lycian, and Vassal troops from the mountainous areas of the empire were used by Antiochus III in conjunction with Thorakitai in his storming of the Elburz range in 210 BC. The Persian and Iranian troops were most likely of a higher professional military standing than most of the other contingents, as they are seen on garrison duty throughout the empire. In the review at Daphne in 166 BC, the large numbers of allied and vassal contingents are missing. They were of doubtful reliability, usefulness and efficiency. So much so that Appian blamed them for the defeat at the 