This excluded a majority of the population: slaves, freed slaves, children, women and metics (foreigners resident in Athens). The women had limited rights and privileges, had restricted movement in public, and were very segregated from the men.
All U.S. military services use drones, not all of the same type though. They use certain drones for certain things. The MQ-4 Triton is a variant of the U.S. Air Force. It is high altitude, long endurance, designed to collect intelligence for long periods of time.
The President is responsible for implementing and enforcing the laws written by Congress and, to that end, appoints the heads of the federal agencies, including the Cabinet
The main purpose of was to explain their view of purpose of human government. Without Kings or queens but with branches of government so that most everyone agree
