I had like 15Kish coin and I don't remember how much food/wood when they resigned, with like 9K export. I could've just built a consulate and spammed troops from it if I had too -.-
The thing is we a large portion of the map to move around on. If we backed off, switched positions, and played strategically it wasn't over by a long shot. They just decided it was because that push wasn't going to work out -.-