Allied Capital Problem

[LuckyPistol]

I'm in my Isengard campaign and I've got everything completed except owning Bree. There's just one problem: Through their war with the dwarves my greatest allies, the Orcs of Gundabad, have Bree as their capital and I cannot buy it off of them.

Suggestions?

They've taken back Gram, so I don't know why the capital didn't switch back and we've split up Eriador between ourselves in half. The High Elves are almost defeated with Forlorn as their last currently besieged settlement (all effort by myself this time around for some reason...) so the Dwarves are their only enemies right now but they've regained Gram, Carn dum, and almost Gundabad. In this campaign, the good ol' OoG are the Northern powerhouse, third in strength (behind me and the dwarves). I don't want to take it by force later in the game, as that would lead into a horrible war of attrition, so is there a way i can give them a conquered town and there's a chance they'll make it their capital?

[Ngugi]

Doubtfully, but don't bother about it till you have fulfilled all other requirements, then at your two loast turns siege it and take it and win, and you'll avoid any war until that winning point (to have to start war at all is not fun but hey, it's Orc kin we're talking about, they kill each other over for the fun of it)

[dannyalex]

easy solution:kill them

[Withwnar]

I don't know how well or often the AI changes its capital but maybe if OoG expand eastward they will move their capital in that direction too. Assist them with that perhaps?

[Dude with the Food]

Kill everybody else first (but leave the Dwarves to keep them occupied). Then them and the Dwarves in an epic pincer movement finishing by taking Gundabad and Dain's Hall's on the same turn. There won't be anybody to get annoyed with you.

[Gazi Husrev-Beg]

Saruman who was maia himself wanted the ring of power for himself. So go and get that ring. If you played as a "good" faction, elf especially, than I see how that s a problem.