You make them go away by killing them(invaders) in large enough numbers that it isn't in their interests to arrive. This is a time tested method throughout history. When the Ottomans started rolling into Wallachia, Vlad Tepes didn't try to understand the reasons they were coming, he just started mounting them on spikes until they stopped showing up.
You make them go away by killing them(invaders) in large enough numbers that it isn't in their interests to arrive. This is a time tested method throughout history. When the Ottomans started rolling into Wallachia, Vlad Tepes didn't try to understand the reasons they were coming, he just started mounting them on spikes until they stopped showing up.