This was a war that Rome did not want to be involved in as they were already stretched militarily in their fight against Carthage, and sent only a small force to deal with Philip V and the Macedon kingdom. According to Livy, Rome made an alliance with the Aetolians to fight against Philip V and sent a larger force to wage war, but on arriving found the Aetolians had made peace with Philip V and it was easier for Rome to seek peace with Philip V than fight alone, and thus the first Macedonian war ended.
The Second Macedonian was fought between 200-196B.C. and was started after an apparent secret deal between Philip V of Macedon and Antiochus III of the Seleucid kingdom to attack and divide up the Egyptian kingdom under Ptolemy rule. Ambassadors from Rhodes and Pergamum had sent diplomatic missions to Rome with these reports with the intent of gaining Roman support against Philip V and the threats he posed to their kingdoms. Philip’s aggression towards the Greek city states, some who had alliances with Rome, caused Rome to issue an ultimatum to Philip, to remove his forces back into Macedon, Philip refused and on the pretext of helping its ‘friends’ Rome started t move its forces against Macedon. It is possible that Rome also feared if Philip and Antiochus gained further footholds in the Eastern Mediterranean, they could at some point threaten Italy, also of