But also a relatively unified, inclusive, and liberal world government? And yes, quite xenophobic, and militaristic, and shady/oppressive with stuff like ONI. And the xenophobia was kind of understandable.
The places in the trilogy were mostly East Africa: https://www.halopedia.org/East_African_Protectorate
In other words, I'm pretty sure the Trump administration would classify the UNSC as 'woke' upon deep analysis. Which says a lot.