Question: In what Wars did Gaius Cassius Longinus command troops?
Sentence (from "Battle of Philippi"): The Battle of Philippi was the final battle in the Wars of the Second Triumvirate between the forces of Mark Antony and Octavian (of the Second Triumvirate) and the leaders of Julius Caesar's assassination, Marcus Junius Brutus and Gaius Cassius Longinus in 42 BC, at Philippi in Macedonia.
Relevant evidence: Yes