The Roman numeral system for representing numbers was developed around 500 b.c. As the Romans conquered much of the world that was known to them, their numeral system spread throughout Europe, where Roman numerals remained the primary manner for representing numbers for centuries.
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The answer is 3 states is was divided into Kantipur, Patan and Bhadgaon.
Skinner's theory of operant conditioning was developed as a result of his discovery of the law of effect influence.
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Early people grew food or crops in the fertile crescent and they scattered seeds on the land and rain came or they poured water or probably flooding came and the crops grew which became food