In a couple of different playthroughs I had a situation where vassal annexation stopped.

In the first case it was a single province territory (I played by France, had 100 provinces or so and wanted to vassalize I believe Frankfurt) - I could start vassalization (I had relationships higher than 190), but was not able to have more than 0% progress.

In another case (playing as Crimea, I had around 15 provinces and wanted to vassalize Georgia, they had 3 provinces) I started vassalization, earned around 50% ... and during this time completed the annexation of another vassal. As a result my relationship with Georgia became worse (dropped to 120 or so) and vassalization stopped.

I started improving relationships, pulled them back up to 160, but that didn't help to resume vassalization.

Any ideas why?


In the recent version of the game annexation speed depends on your diplomatic reputation and how close your cultures and religions are. If your diplo reputation has dropped because of some event, then previously positive annex speed can drop to a halt. You have to inspect active country modifiers and look for it's expiration date. You may also read this wiki article:


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I played earlier this year so it might have changed since then but having low relations doesn't stop the annexation. But there are some factors that could slow it down. Other than the reputation as Allen already mentioned.

Also, you need to spend diplomatic point each month. If you're out of points, it won't make any progress.

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  • Not low relations with some state, but a low diplomatic reputation - it is a different stat. This change in annex speed was introduced with free patch in the recent DLC "Art of War". – Alien-47 Apr 21 '15 at 22:59
  • And if you're low on diplo points, then your speed will be equal to your monthly diplo points gain, which is almost never 0. – Alien-47 Apr 21 '15 at 23:00
  • @Alien-47 depend if you spend points as soon as you get them to build improvements – Vincent Apr 21 '15 at 23:01
  • I disagee, subtraction of newly acquired diplo points goes automatically at 1st day of the month, you won't have an opportunity to divert them to construction – Alien-47 Apr 21 '15 at 23:24

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