Add NE Asian Balkans: Japan, Korea, Jianzhou Republic, Mongol Khanate

Japan: Pacific industrial power (Tier 1.5), Jianzhou rivalry, Alaska/Kamchatka empire
- Core: catch up to Tier 1, Sakhalin dispute, Pacific expansion vs consolidation
- 150yr modernization legacy, fur empire declining, naval dominance

Korea: "Belgium of NE Asia", small industrial mining state
- Nationalized mining, squeezed between 3 powers, survival through balance
- Identity question: Korean vs Chinese-influenced vs independent nationalism

Jianzhou Republic: industrial city-state, oligarchic republic
- World's oldest industrial zone (400yr), porcupine deterrence strategy
- Arms dealer to everyone, Song reconquest threat, Sakhalin dispute with Japan

Mongol Khanate: vast, sparse, mineral-rich
- Resource curse vs resource blessing dilemma
- Multi-vector diplomacy between great powers
- Genghis Khan legitimacy, nomad vs miner cultural split

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

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+# Jianzhou Republic (建州共和国) — V3 Start 1836
+
+## Basic Info
+- **Capital**: Mukden (Shenyang equivalent) or Dalian equivalent (port city)
+- **Head of State**: Chairman of the Industrial Council (elected from factory directors + military officers)
+- **Government**: **Oligarchic industrial republic** — NOT democratic. Ruled by a committee of factory managers + military officers + possibly worker delegates. Think Venice's merchant oligarchy crossed with early Soviet industrial planning. No hereditary ruler.
+- **State Religion**: Secular (Confucian influence + pragmatic atheism of the industrial class)
+- **Technology Tier**: 2 (concentrated heavy industry — weapons, steel, machinery. THE oldest industrial zone in the world, 400+ year history. But tiny economy by total size.)
+- **Population**: Small (~3-5M? Liaodong Peninsula + South Manchuria)
+- **Literacy**: High in cities (industrial education), lower in rural areas
+
+## Territory
+- **Liaodong Peninsula**: Core industrial zone (steel mills, weapons factories, shipyards)
+- **South Manchuria**: Agricultural hinterland + mining
+- **Sakhalin (southern part)**: Coal mining colony (northern part = Japanese)
+- **Kamchatka trading posts**: Fur trade, minor
+- **Bering Strait area**: Exploration/awareness, no permanent settlement
+
+## The Singapore of Northeast Asia
+Jianzhou is a **city-state-scale industrial powerhouse**: tiny territory, massive industrial output per capita, survival dependent on trade and deterrence.
+
+```
+  Mongol Khanate (sparse, north)
+       │
+  New Song (huge, wants Liaodong back — it was Song territory for 400 years)
+       │
+  JIANZHOU REPUBLIC (tiny, industrial, armed to the teeth)
+       │
+  Korea (neighbor, rival, similar niche)
+       │
+  Japan (across the sea, forced Jianzhou's predecessor state open, now rival)
+```
+
+## Opening Situation
+
+### Strengths
+```
+  ├ World's OLDEST industrial zone (started ~1200s under Song, continuous since)
+  ├ Per-capita industrial output among world's highest
+  ├ Self-sufficient in weapons production (can arm itself without imports)
+  ├ Concentrated: small territory = easy to defend (fortified industrial perimeter)
+  ├ Republican government: meritocratic (best engineers/managers rise to power)
+  ├ No dynastic succession problems (elected council)
+  └ Deterrence: "we're small but we'll make conquering us EXTREMELY expensive"
+```
+
+### Weaknesses
+```
+  ├ TINY: can't match any neighbor in total GDP or military manpower
+  ├ Population: ~3-5M vs Song's hundreds of millions
+  ├ No agricultural self-sufficiency (imports food)
+  ├ Song WANTS this territory back (Liaodong was Song's for 400 years)
+  ├ Sakhalin disputed with Japan
+  ├ No cultural soft power (industrial pragmatism ≠ cultural influence)
+  ├ International isolation: no natural allies (everyone's either a rival or indifferent)
+  └ One bad war = annihilation (no strategic depth, no retreat space)
+```
+
+## Core Gameplay
+
+### Deterrence: The Porcupine Strategy
+```
+  Jianzhou can't win wars of conquest. It wins by being TOO EXPENSIVE TO CONQUER.
+  
+  ├ Fortify the Liaodong perimeter (bunkers, artillery, mines, wire)
+  ├ Maintain industrial weapons output > what any attacker expects
+  ├ Small but elite military (quality over quantity)
+  ├ Possible: early development of chemical weapons? (chemical industry + desperation)
+  ├ Naval mines in ports (deny easy amphibious assault)
+  └ The message: "you can take Liaodong but you'll lose more than you gain"
+  
+  V3 mechanic: Deterrence rating — if high enough, AI won't attack
+  If player lets deterrence slip → Song/Japan/Korea may declare war
+```
+
+### Export Economy: Selling Weapons to Everyone
+```
+  Jianzhou's main export: industrial goods, especially WEAPONS
+  ├ Sell to Korea (arms their military)
+  ├ Sell to Mongol Khanate (mining equipment + weapons)
+  ├ Sell to Japan (specific industrial components)
+  ├ Sell to Song (paradoxically — Song's own military buys Jianzhou steel/weapons because they're good)
+  ├ Sell to ANYONE who pays (international arms dealer)
+  └ This makes Jianzhou valuable alive — customers don't want their arms supplier conquered
+  
+  "If we sell weapons to everyone, no one wants to destroy their own supplier"
+  = economic deterrence on top of military deterrence
+```
+
+### The Song Reconquest Threat
+```
+  New Song's official position: "Liaodong is Chinese territory illegally separated"
+  
+  Song has a permanent Journal Entry: "Recover Liaodong"
+  Jianzhou has a permanent Journal Entry: "Defend Independence"
+  
+  These two journal entries are LINKED — one's completion = the other's failure
+  
+  Song doesn't attack because:
+  ├ Jianzhou is heavily fortified (costly assault)
+  ├ Japan might intervene (doesn't want Song to control Liaodong → threatens Japan's continental access)
+  ├ England might support Jianzhou (weakens Song)
+  └ International arms customers lobby against war
+  
+  But if Song becomes very powerful / Jianzhou weakens → invasion becomes possible
+```
+
+### Pacific Ventures
+```
+  Jianzhou has Sakhalin (partial) + Kamchatka posts + Bering awareness
+  
+  Options:
+  ├ Develop Sakhalin fully (coal → industrial supply chain extension)
+  ├ Push into American Pacific NW (compete with Japan → risky but opens new frontier)
+  ├ Trade with Kalmar's Vinland (Atlantic industrial goods exchange)
+  └ Focus on core (Pacific expansion is a luxury, survival is priority)
+```
+
+## Flavor
+
+### The Industrial Republic
+- Jianzhou's government is UNIQUE in this world: no monarch, no hereditary aristocracy
+- Power = industrial output. The best factory director has more political weight than a general.
+- Council meetings look like corporate board meetings, not royal courts
+- Workers have SOME representation (unlike pure oligarchy) — but not democracy
+- This attracts ideological interest from reformers worldwide ("the Jianzhou Model")
+- Socialists, republicans, industrialists from other countries study Jianzhou's system
+
+### "Born in Fire"
+- Jianzhou was born from war (Song civil war ~1600s)
+- National identity = "we survived by our own industry when empires fell"
+- Deep self-reliance culture: "trust no one, build everything yourself"
+- Every citizen knows: if we stop producing, we die
+- Flavor events: industrial milestones, engineering achievements, arms trade scandals
+
+## Relationships
+| Country | Relationship | Notes |
+|---|---|---|
+| New Song | **Existential threat** | Song wants Liaodong back. Permanent crisis. Deterrence is all that keeps Song out. |
+| Japan | **Primary rival** | Sakhalin dispute, historical forced-opening grudge (reversed — Jianzhou forced JAPAN open). Trade competitor. But shared interest in preventing Song from dominating NE Asia. |
+| Korea | **Neighbor competitor** | Both occupy same niche (small industrial NE Asian state). Trade rival. But potential ally vs Song. |
+| England | **Distant friend** | England supports Jianzhou independence (weakens Song). Arms trade partner. |
+| Mongol Khanate | **Customer** | Buys Jianzhou weapons/equipment. Minor relationship. |
+| Kalmar | **Minor trade partner** | Pacific fringe contact. |