FYI, the box of supplies is colloquially called a "crate," and the event is called an "air drop" or "supply drop."
After you conquer the province with your air drop, there should be a pop-up that shows what you collected in your crate. It's either a blueprint for an "elite" level unit, or some combination of three resources (i.e., money, food, goods, metals, rare materials, oil).
<p>Thanks for the correct expression.</p><p>Is just that I haven't found it in English in the topics I searched.</p><p>Anyway, I had that pop-up other times, but not this one, that's Why I've asked.</p>
Typically when you enter the game next a screen will pop-up showing you either the blueprint you earned or the resources in-game that you won. Sometimes I accidentally click out of it before I get to see it though.
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