King Philip II, of Macedonia (nation north of Greece), invaded Greece and united the Greek City-States after he conquered them

Philip of Macedonia had many war achievements (he was a master military tactician) 

He won the battle of Chaeronea and vanquished the City-States of Athens and Thebes 

He seized the land around him (Greece) and created a combined kingdom (strong enough to conquer the Persian Empire)

King Phillip II was a military genius

His war strategies and tactics made him a successful military general

The phalanx was Philip's masterful war tactic

The phalanx was a military formation in which each soldier carried a spear that was much longer than the enemy. Soldiers would huddle together and overlapped shields for protection. This tactic made Macedonia nearly impossible to defeat

Catapults were used by King Philip the II's army to tear down city walls and attack from afar

Philip II took the throne after his brother was killed in battle 

He assumed the throne in 359 BCE.

Phillip took control of the kingdom of Macedonia and instantly started making changes 

He was a smart politician

He was ruthless

He had control of everything important (political, military, legal, and religious matters) and conquered many lands 

Philips's military and political strategies helped him conquer many lands

Conquering lands made him wealthy and powerful