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