Why did Philip II invade Paeonia?

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Philip II of Macedon invaded Paeonia in 358 BCE as part of his broader efforts to consolidate power and secure his borders against northern enemies. Following his accession to the throne in 359 BCE, Philip sought to reorganize the Macedonian army and eliminate threats from neighboring regions, including the Illyrians and the Paeonians, to stabilize his kingdom. This military action was a key step in his early consolidation of power, allowing him to push the remaining Paeonian tribes northward and strengthen his control over the region.123