The Ancient Persians invented their own alphabet, the wind-power machine and Qantas, a water irrigation system. They also developed their own coinage system.The ancient Persian leaders worked hard to ensure their empire succeeded.
The Persian Empire was important for many reasons. ... The Persians developed their empire in a manner that future empires would emulate. The Persians created a mail system. They built roads and developed a communication system throughout their empire.
Join stocks companies helped the settlement of North America by raising money.
The Mali Empire collapsed in the 1460s CE following civil wars, the opening up of trade routes elsewhere, and the rise of the neighbouring Songhai Empire, but it did continue to control a small part of the western empire into the 17th century
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