Here is the full list of all 13 Path of War achievements.
Unlock the Armored Car.
Relocate your base.
Unlock Guided Missiles.
Reach Base Level 2.
Defend against an enemy attack.
Collect 1500 Steel.
Join an alliance.
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.
Destroy another player base.