生产文艺复兴及以前海军单位+100%生产力政策卡
新增一张军事政策卡:海防(生产文艺复兴以及文艺复兴之前海军单位增加100%生产力)
在海军传统解锁
强烈谴责某些mod作者只做新单位不做配套的政策卡!
Added a new Military Policy card: naval defense (100% productivity increase for producing Renaissance and pre-Renaissance naval units)
Unlocked in Naval Traditions
Strongly condemn some mod authors for just making new units without a matching policy card!