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Its up to you. But, I recommend that any division you decide to use be light on supply usage. Japan spends a ton of time in low supply areas.
This. Colonial Asia is minimally supplied. On the other hand, most of it is minimally defended. If you've got lots of light divisions, you might be able to cover and hold ground faster.

You can get away with using the default marine division as Japan. Maybe add recon? You won't face a serious threat until you try to attack the Anglos. When forming beachheads against the Aussies, invade with marines, secure a port, and then ship in your regulars if you face stiff resistance. As long as you have naval/air supremacy the convoys won't get sunk. Let your regulars take the losses, those marines are valuable and should always be launching or planning a naval invasion. Much too valuable to slog through the outback :p
 
There are good reasons for a player to want Marines, but the Japanese didn't really have them - there was a limited effort to give some landing training to a few infantry divisions and there were the Navy's Special Naval Landing Forces that were small (battalion) size units of sailors with infantry training. Perfectly good for seizing essentially undefended locations. OS if you want to try a historical line ...
 
Yes, the AI setting. I was asking because a lot of the times playing as a fascist nation japan was the reason the us joined the allies, even when they were fascist themself.

I won't say that you WON'T get away with it with historical focuses off (it is possible) but it's not at all guaranteed either. The US has good reasons (and good focuses) to get to war with Japan and Germany.
 
Sorry if I missed it
Is there a way to change a country's ideology? In any cheat codes?
TY
 
Sorry if I missed it
Is there a way to change a country's ideology? In any cheat codes?
TY

I don't know of any cheat codes. The in-game way is to hire ASAP the adviser with the ideology you want and let things take their course, making event choices in the direction you want to go. Change can often be achieved by coup without a civil war, but some people like civil wars.
 
yes. usa was a leader of his own democratic faction. And Siaking was a communist remnant of commintern. After soviet annexation.

That they merged may be a bug or awesome emergent behavior - so long as the US was the surviving faction leader, not Sinkiang..
 
A quick question, does surrounded and destroyed armies included as causality record? Or only troops died in combat included? Thx!

You will find that Paradox seeks to work around the nastier aspects of the WW2 era so equipment loss is dealt with in detail, casualties are downplayed and rather abstracted and anything relating to prisoners or civilians in particular is not addressed. So imagine what you wish.

Well I'd expect for party support and coups to become cheaper (in terms of political mana). But they don't seem to.
I have not tried it since I only do subversion with surplus PP. I have the same expectation as you. What else can it be? Maybe post a bug/question report?
 
This. Colonial Asia is minimally supplied. On the other hand, most of it is minimally defended. If you've got lots of light divisions, you might be able to cover and hold ground faster.

You can get away with using the default marine division as Japan. Maybe add recon? You won't face a serious threat until you try to attack the Anglos. When forming beachheads against the Aussies, invade with marines, secure a port, and then ship in your regulars if you face stiff resistance. As long as you have naval/air supremacy the convoys won't get sunk. Let your regulars take the losses, those marines are valuable and should always be launching or planning a naval invasion. Much too valuable to slog through the outback :p

If I add a single arty unit to it, I won't get rid of all the marine bonuses, just some though.. so wouldn't it be better to have more soft attack in the combat width?
 
If I add a single arty unit to it, I won't get rid of all the marine bonuses, just some though.. so wouldn't it be better to have more soft attack in the combat width?
No, you won't drop the whole naval invasion bonus... but you'll increase supply usage with line artillery, which makes the unit more vulnerable the longer they're in enemy territory. Then again, those colonial troops you'd be facing as Japan have likely never seen artillery before. So quick massacres are what you'd need. Not ahistoric at all.

Also, the artillery will lower the defense of the division iirc, making taking land easier but holding it harder. A tradeoff you have to factor into your invasion plans, with quick convoys of regulars as necessary to expand the beachhead.
 
Regarding expeditionary forces (not volunteers):

Do they use my manpower or the one of the nation sending them?
Same question about the equipment ... ;)
 
Regarding expeditionary forces (not volunteers):

Do they use my manpower or the one of the nation sending them?
Same question about the equipment ... ;)
Manpower and equipment by the nation sending it.
 
I have not tried it since I only do subversion with surplus PP. I have the same expectation as you. What else can it be? Maybe post a bug/question report?

You were right. Both justification of war goals and coups get their total Ppower requirements changed by the modifier. Equipment doesn't seem to be affected.

Found the answer in another thread. Party support does not benefit as far as I know. (I'm pretty sure of it, actually)
 
Subject: Technology Research
Does anyone know if there is a game random feature that allows for a research breakthrough or setback? If not, is it possible to mod HOI IV to include a small chance of a breakthrough or setback?