 Complete the following phrase:  In 49 BC, Julius Caesar invaded Italy, effectively declaring war on the Roman senate. Pompey, the leader of the forces of the senate, fled to Greece. Caesar executed an extraordinary 27-day forced march from Rome to Hispania to confront the legions of Pompey stationed there. He defeated seven Pompeian legions led by Lucius Afranius, Marcus Petreius and Marcus Terentius Varro at the 