Which goal was Philip II unable to accomplish?
A )modernizing the army
B )establishing a dictatorship
C )unifying the Greek city-states
D ) conquering the Persian Empire

D ) conquering the Persian Empire

Explanation:

- modernizing the army

He modernized the army by using the invention of  Epaminondas' and Iphicrates' to create longer spears and smaller shields that were more efficient in the battle.

- establishing a dictatorship

Phillip Ii believed in Divine Rights of monarch which basically require all citizens to obey the King without question. It's similar to dictatorship.

- unifying the Greek city-state

In  338 BC, He managed to unified Greek city-states and put them under one federation called the League of Corinth

-  conquering the Persian Empire

He did plan to do this after the Greek unification. But he was assassinated before he could accomplished it.

i used to know but i learned it a long time ago sorry

explanation:

united states reinforcements contributed greatly to three allied victories in france at: cantigny (first major american battle), argonne (the largest in the united states military history, involving 1.2 million american soldiers), and château-thierry (one of the first actions under general pershing).