Okay I don't quite understand the AI's behavior with military access.

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hashinshin

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Poland keeps granting military access to the Ottomons to fight me in wars as I'm playing Byzantium. Poland is my Ally. Why is Poland backing up on of their enemies with constant military access? I can't get military access from anyone who I've ever looked at wrong and yet Poland is buddy buddy with the freaking Ottomons?
 

IIWW

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They are totally illogical with that. I played as venice, DoWed Mamluks (well, cyprus which was guaranteed by them), and Ottos gave them MA despite having them as both rival and enemy, while I was neither.
 

netorare

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When nations go to war they essentially just break down. They take out 30 loans and spam mercenaries. They also ask for access from anyone with a big enough landmass. "BUT WHAT IF OUR TUSCAN-VENETIAN TRADE WAR GOES INTO IRELAND?" yeah ok.
 

Xara

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Poland and Ottomans should be set as Historical Enemies, or something. Poland can continually get events that give them claims against the Ottomans, along with bonus manpower boosts. Their bloody King just died in battle against the Ottomans at the start of the campaign. That's THE event marking the beginning of EU4! (that is why Bohemia, Hungary, and Poland all start in Interregnums) So why are they always giving the hated Turks access through their country?

Yeah, it's annoying. It really, really messes with controlling the Bosphorous sound, which is what anyone with interests in the Balkans (Venice, Byzantium, Serbia, etc.) has to depend on. Poland really should be hating them; be rivaling them.

As for the rest, it's because the AI doesn't pay a diplo cost for military access. They can and will get access to every single nation bordering anyone they are at war with or who is along the path to whoever they are at war with, because there is no downside to them getting it. It's basically a crutch - an understandable one - because to teach the AI how to get access and move through areas as it needs them, then cancelling access, would be unreasonably hard to code
 

CommunistCookie

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Poland and Ottomans should be set as Historical Enemies, or something. Poland can continually get events that give them claims against the Ottomans, along with bonus manpower boosts. Their bloody King just died in battle against the Ottomans at the start of the campaign. That's THE event marking the beginning of EU4! (that is why Bohemia, Hungary, and Poland all start in Interregnums) So why are they always giving the hated Turks access through their country?

Yeah, it's annoying. It really, really messes with controlling the Bosphorous sound, which is what anyone with interests in the Balkans (Venice, Byzantium, Serbia, etc.) has to depend on. Poland really should be hating them; be rivaling them.

As for the rest, it's because the AI doesn't pay a diplo cost for military access. They can and will get access to every single nation bordering anyone they are at war with or who is along the path to whoever they are at war with, because there is no downside to them getting it. It's basically a crutch - an understandable one - because to teach the AI how to get access and move through areas as it needs them, then cancelling access, would be unreasonably hard to code

I'm pretty sure they don't give access if they like you more than whoever you're at war with. As BYZ I improved relations with Poland and they didn't give access.
 

Chicken Spadge

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Military access is granted far too readily all round. One of the worst effects in my opinion is that it devalues naval forces.

Is there an easy way to mod it so that it's more difficult to obtain?
 

RMcD94

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But then it's also really dumb that a tiny AI nation would really decline the HRE military access, because declining military access is equivalent to saying "if you walk in our land we will fight you" what are they going to do if I walk through anyway
 

Chicken Spadge

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But then it's also really dumb that a tiny AI nation would really decline the HRE military access, because declining military access is equivalent to saying "if you walk in our land we will fight you" what are they going to do if I walk through anyway

Obviously, it should be easier for certain nations to gain military access in recognition of their strength and influence, while other factors should also come into play. I'm only saying that it's too easy overall.
 

Xara

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I'm pretty sure they don't give access if they like you more than whoever you're at war with. As BYZ I improved relations with Poland and they didn't give access.

Nope. Allied to Poland (didn't call them to the war) with positive relations, going up against Ottos solo and they still happily get access. There's a bonus to getting access if the nation receiving the request is RIVALs with the nation the requester is at war with... and a big malus if the requester itself is a rival... but there isn't any consideration, tooltip or otherwise, for who they like more, when it comes to access.

It makes dealing with Otto frequently boil down to "how much can I siege in the Balkans while they are occupied fighting Mamluks/Qoyunlus/Timurids before they win that war and come back with their doomstacks"
 

pgroves

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What really annoys me in my current England game is that Castille, which has France as their rival, regularly allows France military access across their lands to attack my ally Portugal, which makes them pretty useless as an ally.