I know mistakes happen, it's hard to control all players all the time bla bla bla
BUT
a deal break is a deal break, whether it's 17k runes or 1gc or a million.
If you make a deal you are bound to it. if you break it, you can't complain about whatever the other kingdom wants to dish out. and you can definitely not use it as justification later on for dirty moves... oh wait, you can because...nevermind you thoroughly established there is no such thing as alliances in the top.