"(3) New technology was developed during the <span>Neolithic Revolution" is the best option from the list regarding a fact over an opinion, but it should be noted that 2 could also be fact. </span>
<span>Isadora Duncan, the dancer who created her own style and flavour in dancing and also invented a new dance form with her creative ideas, mixing traditional ballet with natural movement. She named her dance institute "Isadorables". After her death the institute is run by her faithful followers who stood by her in all times of despair. She hated the romantic ballet during the time, when she had found a new dance form and there were no takers for her dance, she traveled around Europe to perform her dance along with her adopted daughters, and finally decided to settle in Soviet Union as a first migrant but unfortunately she met her fate while travelling in a car on a cold evening strangled to death by her scarf, that stuck in the wheel of the very own car she was travelling.</span>
"Separation of Powers" is the one principle among the choices given in the question that <span>was included in most state constitutions.</span>
Officially, the Korean War never technically ended. Although the Korean Armistice Agreement brought an end to the hostilities that killed 2.5 million people on July 27, 1953, that ceasefire never gave way to a peace treaty. At the time, South Korea's president refused to accept the division of Korea!
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The production of steel was entirely crucial to the development of railroads, since the rail lines themselves were made of steel, without which the trains would not be able to move.