 Complete the following phrase:  Polyaenus or Polyenus  ; see ae æ vs. e; , much-praised was a 2nd-century CE Greek author, known best for his Stratagems in War , which has been preserved. He was born in Bithynia. The Suda calls him a rhetorician, and Polyaenus himself writes that he was accustomed to plead causes before the Roman emperor. Polyaenus dedicated Stratagems in War to the two emperors Marcus Aurelius  and Lucius Verus , while they were engaged in the 