Funny I only just noticed it.
Yes, Red = blood, yellow = gold, green = vegetation
Although we also have a blue! Some African countries use a 'black' colour as well, no explanation there.
I do note a lack of the requisite book of empty pages, and AK-47 :-)
File:Flag of Mozambique.svg - Wikipedia, the free encyclopedia
Maybe just a WN... I'd love to contribute an icon, I'll wait for a pro to step up first. If it's the same by the end of the week I'll try my hand.