officers question

if someone casts assassin and lets say a merchant dies, if the victim now doesn't have enough merchants for his fleets, does one stop or does it have no effect until he wants to create a new one?
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https://www.piratesglory.com/forums/viewtopic.php?f=12&t=2125
John jacob astor wrote:if someone casts assassin and lets say a merchant dies, if the victim now doesn't have enough merchants for his fleets, does one stop or does it have no effect until he wants to create a new one?