Answer:
He is also known for his discovery of the photoelectric effect, for which he won the Nobel Prize for Physics in 1921. Einstein developed a theory of special and general relativity, which helped to complicate and expand upon theories that had been put forth by Isaac Newton over 200 years prior.
Explanation:
Special slaves purchased for military service by the early Delhi sultans were called bandagan.
<h3>Who is a sultan?</h3>
Sultans were the rulers who governed their kingdom, they can also be termed, emperors. The word sultan is used in the Muslim culture.
There was special slave who was being taken by the Delhi Sultan, they were known as bandagan as these people are slaves were being specially transformed or being trained in how to manage our whole Kingdom.
These bandagan were sold for serving the military need of the sultans.
The Delhi Sultan would not hire any chief executive officer or higher level person but would appoint these places of the particular region who knew the rules and how to manage the place.
Learn more about Delhi sultans, here:
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rich soil for agriculture.
It decreased due to the fact that many jobs were opening in the urban areas so people left their farms and houses in rural areas to get a job in a bigger city.
