What was Philip II’s key achievement in Greece?

With his powerful army, resources, and political skills, Philip II's most important achievement in Greece was uniting the nation. He brought Greece together by using a common enemy, Persia, and by respecting the local customs of the lands he conquered.

Explanation:

on this day in 1913, henry ford installs the first moving assembly line for the mass production of an entire automobile. his innovation reduced the time it took to build a car from more than 12 hours to two hours and 30 minutes.