Want this question answered?
A fleet, and internal roads with posting houses for horsed couriers.
Sea transport and a system of tracks with way stations for mounted couriers.
There are many elements of a radio communication system. These elements include a transmitter, radio frequency oscillator, modulator, transmitting ariel, receiving ariel, demodulator, and amplifier.
Where possible, the Persians communicated by ship as the fastest means. For areas not close to waterways they established a horse courier system with way stations with relief mounts and couriers.
Well-maintained roads and way statuons that provided food, shelter, and fresh horses for the kings messengers!
three
In the absence to today's methods of communication, it established a system of roads with posting houses along the way which provided horses and messengers to pass information rapidly. It also used sea transport transmission to areas with water access.
The six elements of a computer and communications system are:PEOPLEPROCEDURESDATA/INFORMATIONHARDWARESOFTWARECOMMUNICATIONS
A system of sea, river and road transport.
The chest wall and the lung tissue recoil
It established sea and river communications, and a road system for internal couriers and traffic.
Society is a system of elements that are interrelated and work together in an efficient and harmonious manner.