Here is the full list of all 13 Path of War achievements.
Reach Washington D.C.
Be less than 1000 miles away from Washington D.C.
Be less than 2200 miles away from Washington D.C.
Loot a Power Rod.
Destroy another player base.
Send support to an ally.
Join an alliance.
Collect 1500 Steel.
Unlock the Armored Car.
Relocate your base.
Unlock Guided Missiles.
Reach Base Level 2.
Defend against an enemy attack.