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