What evidence did Demosthenes offer that Phillip was a threat to Greece?

Demosthenes highlighted Philip II of Macedon's aggressive military campaigns and his systematic expansion into neighboring territories as clear evidence of the threat he posed to Greece. He pointed to Philip's victories over Greek city-states, such as at the Battle of Chaeronea, which demonstrated his military prowess and ambitions. Additionally, Demosthenes emphasized the danger of Philip's diplomatic maneuvers, which aimed to divide and weaken Greek alliances, ultimately threatening their autonomy and freedom. Through his speeches, particularly the Philippics, Demosthenes urged the Greek states to unite against this looming threat.