Captivi is set (unusually for New Comedy) in the region of Aetolia on the mainland of Greece. The Aetolians had a history of conflict with Rome, and from 191 BCE until its defeat in 189 BCE, the Aetolian League was at war with the Romans. As was the case for many of Rome’s enemies, the Aetolians were stereotyped as treacherous and untrustworthy. Given these historical factors and the play’s emphasis on the theme of fides (“credibility,” “honor”), Captivi has been plausibly dated to the late 190s BCE, i.e. the latter years of Plautus’ career: see further Franko (1995).
The prologue of Captivi is most striking. The prologist stands beside two mute prisoners of war, Tyndarus and …
Christenson, David M.. "Captivi". The Literary Encyclopedia. First published 06 May 2009
[https://www.litencyc.com/php/sworks.php?rec=true&UID=26472, accessed 19 January 2018.]