Or, since I'm that far into the game, I could shut the connecting warp point and contact would be lost.
Nah, he's going to pay for this mischief

I just have to clear out a few minefields and I can roll in the BCs. Five systems, shouldn't be too hard. I'm already all over him with Intel projects, which doesn't really help get him to sue for peace.... I just figure it would be nice if they backed off and got less angry if they started getting thumped.