The Empire found a true friend, the trade is good, Science is exchanged, dependency is guarantied and all the rest.

Our governor wish to create an alliance with them - all is good beside 'Differing war philosophy' which is the only obstacle.

How can our government change policy accordingly, to overcome this last obstacle?

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  • 1
    Related: gaming.stackexchange.com/questions/265580/…
    – DCShannon
    Commented May 23, 2016 at 19:33
  • If you list all the current relationship modifiers, it would probably be easier to suggest a course of action.
    – DCShannon
    Commented May 23, 2016 at 19:33
  • @DCShannon: Thanks for the good will, but the conversation is if and how can the empires overcome this conflict.
    – ShloEmi
    Commented May 23, 2016 at 19:40
  • Did you post the wrong screenshot? There's no "differing war philosophy" there. The general answer is "raise their opinion in other ways". If that's all you want, then this is a duplicate of the question I linked that describes general ways to improve opinion. If you want to know what you should do in your specific situation, then that's another question, which is how I was interpreting this.
    – DCShannon
    Commented May 23, 2016 at 19:42
  • The second screenshot is the Alliance acceptance.
    – ShloEmi
    Commented May 23, 2016 at 20:07

3 Answers 3


You can't get rid of the differing war philosophy penalty, because that is based on your empire ethics. Instead, you need to get enough bonuses to offset the penalty.

I'd have to do some testing to ensure that this is the case, but here are some things that I believe would help:

  • Increase their opinion of you. You're already getting a +21 bonus. There should still be some levels higher than that, though.

  • Some things, like a Non-Aggression Pact, will help not only your opinion, but give a direct buff to the Alliance negotiations. I think Migration Access may help in this way as well. You may not be able to get migration access, depending on your mutual ethics, but one-way is probably better than neither.

  • You don't appear to be trading with the empire. Trading improves their opinion of you by +5, and may directly impact the alliance negotiations. I often just trade a few minerals a month for a few energy a month.

  • Common rivals improve relations. Determine who their rival is from the Empire Contacts screen, and declare the same rival.

  • Common threats improve relations. If they're at war with somebody, go to war with them as well.

  • If you become significantly more powerful, you can increase the "relative power of empires" modifier.


War philosophy is depending on your empires' population ethos.

Pacifist will not like Militarist. Vice versa.

I am not aware of how the mechanic that determines your governing ethos get changed if you replace all of your population that support a different philosophy.

  • I've had this come up despite not having a stance on Pacifist vs Militarist, so it seems possible that you can have this even if you're neutral.
    – DCShannon
    Commented May 23, 2016 at 18:46
  • It was mainly used as an example. I am not aware of all interrelationship between all possible ethos. For example: Spiritualist vs Materialist could introduce this interrelationship. Given all possible ethos and what not. It can be difficult to from one glance determine the source of the difference war philosophy.
    – Vyndicu
    Commented May 23, 2016 at 19:12
  • So, no way to make the final step toward alliance? The relationship is missing only (-15) points.
    – ShloEmi
    Commented May 23, 2016 at 19:13
  • There are various way to boost your relationship such as having mutual rival and giving them favorable trades.
    – Vyndicu
    Commented May 23, 2016 at 19:15
  • @Vyndicu: Did most of that (didn't meet their rival yet).
    – ShloEmi
    Commented May 23, 2016 at 19:36

I think the "different war philosophy" is about when you can declare war: just for defense, to recapture you planets, or free war, and you can change it on the Government menu, on the top/left of the screen, on the 3º screen there.


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