Mostly because the Roman empire was a hugely vast empire in time where the internet or any other form of fast communication possibilities didn't exist yet. For this reason, it would be highly unpractical for Rome to rely on having direct democracy and each person giving his vote on every aspect of life.
The Social Security Administration (SSA)
Arouung 1950s .... :)
im not sure tho
Quanah Parker was the war leader of the Quahadi band of Comanche Nation.