Mark Antony forced the second battle right after receiving the message that his fleet of supply ships had been destroyed in the Adriatic. Antony and Octavian knew that the winter would bring starvation. Had Brutus known about the destruction of those ships, he most likely would have been able to convince his near mutinous army not to fight and instead put the enemy army under a siege. Because of Antony’s swift action, he didn’t find out in time and the battle was engaged. Brutus was no match as battle commander against Mark Antony, who later came to be known as the ‘hero of Philippi’.
This battle changed the course of Ancient Roman history. Now that Brutus and Cassius were gone there was no longer any major opposition to the Caesarians, Antony and Octavian. They divided up the Republic, with Antony taking the Eastern territories and Gaul (current France) and Octavian taking Italy and all points west including Spain. Antony had the easier task. It was left to Octavian to make the arrangements for getting the large number of veteran soldiers who fought at Philippi settled on land and farms.