Rahul Mehta Gandhinagar LsCandidate

Consider some 10000 years ago, consider two population groups - A and B , each of population say 100,000 in a large forest / agriculture area of 50000 sqkm i.e.
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(today, in India, 50000 sqkm will have population 50000*400 = 200,00,000 = 2 crore , and fertile area will have 4 times more)
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Say A and B both fight to occupy a spot near river which has very fertile land
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Say all A are vegetarian and all B are non veg. i.e. B also grow food by agriculture but also eat nonveg
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Which one , A or B, is more likely to win? Keeping all other factors same.
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Back then there were no iron , no corrpt and weapons were made up of stone and wood.
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Now consider same question each passing year --- 5000 years, 2000 years ago, 1000 years ago, 500 years ago, 200 years, 50 years ago and now. At each stage , technology changes - copper weapons, iron weapons, gun powder and heavy cannons, light cannons, guns, talks and fighter plane and now we have array of weapons like nukes and drones.
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Which one , A or B, is more likely to win?