Katyusha233附属国 是一种从属于他国（宗主国）的特殊国家类型。所有类型的附属国都将自动加入其宗主国的关税同盟。
大部分附属国的国家位阶都无法高于其宗主国，且没有任何附属国能够成为列强。例如东印度公司开局时的威望高于作为列强的美利坚合众国，但由于其是大不列颠的自治领，因此无法成为列强，而是只能作为一个主要政权。
此外，附属国将会根据不同的附属国类型拥有不同的限制或义务，例如上缴宗主的收入比例、能否自主发起外交博弈或是否强制加入宗主的外交博弈中。但作为交换，附属国也将受到宗主国的保护，宗主国将会自动加入目标为其附属国的外交博弈。然而，宗主国并不会自动加入附属国自主发起的针对他国的外交博弈。
并不是所有附属国都无法成为宗主国外交博弈的目标，特定类型的附属国可以被其宗主国通过外交博弈完全吞并。
Subject types
There are six types of proper subjects, and one pseudo-subject type, the Customs Union member. Three of the proper subject types are non-autonomous, meaning they are unable to start or join any diplomatic plays, except for independence, and they automatically join their overlord's diplomatic plays. The other types, including Customs Union, are autonomous, meaning they may start or join diplomatic plays as normal, do not automatically join their overlord's diplomatic plays, and may have their own subjects.
| 类型 | 改变国旗 | 使用宗主地图颜色 | 与宗主共用领导人 | 可自行发起博弈 | 如未受保护则断绝关系 | 强制加入宗主战争 | 拥有自己的附属国 | 可通过博弈吞并 | 可通过成立国家吞并 | 为宗主提供威望 | 恭顺宗主 | 收入上缴比例 | 商船贡献 | 宗主类型 | 可用于被释放国家 |
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| 保护国 |  |
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— | 50% | 受认可国家 |
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| 自治领 | |
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25% | 75% | 受认可国家 |
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| 傀儡国 | |
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30% | 75% | 受认可国家 |
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| 朝贡国 | |
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20% | 50% | 未受认可国家 |
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| 附庸国 | |
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30% | 50% | 未受认可国家 |
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| 共主邦联 | |
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— | 50% | 任意 |
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Aside from personal unions, all above types of subject can be created through diplomatic plays. In addition, protectorates and tributaries can be established by a diplomatic action, with either country proposing. Puppets or vassals can also be created by releasing a country from owned states.
Personal unions are the only subject that share the same ruler with its overlord. Additionally, a personal union junior can be the same rank as, or even higher than, the overlord, though this is unlikely in regular gameplay. It is not possible to form a personal union during the game, though they can be transferred from one monarchy to another through a diplomatic play. Personal union ends if the senior partner becomes a non-monarchy. The only instances are present at the start of the game. Personal unions that exist in the game are:
- Denmark-Holstein
- Denmark-Schleswig
- Great Britain-Hanover – ends with the death of King William
- Netherlands-Luxembourg
- Russia-Finland
- Sweden-Norway
Customs union
While defined as a subject type, a customs union is not a proper subject type. The senior partner is not obligated to protect its junior partners. However, like proper subject types, a junior partner of a customs union cannot become a great power, and it contributes 50% of its convoys to the senior partner.
References
Victoria 3\game\common\subject_types00_subject_types.txt
Victoria 3\game\common/diplomatic_actions
Victoria 3\game\common/diplomatic_plays
Dev Diary 20
附属类型Victoria 3\game\common\subject_types00_subject_types.txt
| 类型 | 改换国旗 | 宗主图色 | 宗主领袖 | 变身可吞 | 自发博弈 | 不保则断 | 加入宗主国战争 | 自有属国 | 宗主国须高级 | 宗主政体 | 释放可用 | 宗主获威望 | 恭顺于宗主 | 贡献船队 |
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| 保护国 | |
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0.5 |