In the category of "questions that already have the same answer presented a million ways on the web, on youtube, etc. etc. etc."? If you still don't know how, you've intentionally made sure to never actually look that up.
Massive control mechanisms combined with widespread brainwashing and propaganda.
Right. The citizens have 0% accountability on the government since aliens raised outside galaxy comes and rule the country.
What happened last time they tried to sort it out: