If it wasn't for being disbanded and all the internal problems, tribes like Venus would most probably have been able to perform better on the diplomatic frontline.Correct me if I'm wrong, but W1V and all the tribes it split into and was recreated into probably put almost all the diplomatic effort into internal communication and keeping the different groups of players within the tribe together. Attempts at diplomacy with Khan was made thought, but didn't work out so well which I will explain below.
Khan wanted to fight alone to win and not depend on several allies, which I think wasn't due to it being a decision that had to be made, but due to it being something like a "principle to live with" (dunno how to put it into better words, lol). Khan had some NAPs mostly, but it was more to secure their borders and cooperation with other tribes wasn't really there imo.
There was 1 joint OP, but it didn't work out very well, which probably was both sides fault to some degree and well, it was the first OP, so thinking back, having very high hopes for a very successful OP right away probably isn't real, but Khan decided to focus on their own fighting after that.
Anyway, to get to the point, diplomacy was one of Khans weak spots.
W2V were the opposite of Khan when it comes to diplomacy since they relied on allies and support of different kinds to gain an advantage. I think the conflict between RoyalE and Khan made it easier for them to ally RoyalE. Stuff like this made it easier for W2V to abuse diplomacy as a tool to help win the world. So yeah, other tribes probably made diplomacy easier for W2V. For W2V to take the obvious and easy decisions on the diplomatic frontline, doesn't make them better then average tribes on other worlds, but nevertheless, I too think they probably were superior on the diplomatic frontline because other tribes screwed up for themselves in different ways. It's similar to how the other tribes screwed up on the recruitment and giving W2V a group of good Contra players as an example when the Contra war ended.
I don't know what happened with Khan now. But I will try to go on skype and investigate as soon as I can.