Throughout World war 1 airplanes were most often used to Bomb targets on land because this was seen as one of the most effective ways to hurt the enemy.
<h2>Answer</h2><h3>The caste system originated in our society depending upon the type of work and the nature of persons. This has reflected as class system in many other societies. However the caste system in the course of time became hereditary irrespective of one’s nature and the type of work a person undertakes.</h3>
It was originally named Samhain. I hope this helps!
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