Nobody Knows: This Obscure Game Mechanic is actually useful! Do you know why?

Have you ever used the "Support Rebels" Option? If not, now you know why and when you should use it!
✦ EU4 1.36 "King of Kings" ✦
Mods (Graphical):
- Theatrum Orbis Terrarum for 1.30+
- The Great Exhibition
Chapters:
00:00 Hello, there!
00:47 1. Power Projection
18:00 2. Casus Belli against anyone
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