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The Paleolithic, Mesolithic and Neolithic eras occurred during the Stone Age. The correct option among all the options given in the question is option "C". The Stone Age is actually a large period of time and is considered to have covered around 3.4 million years. The Stone Age is thought to have ended anywhere between 6000BCE and 2000 BCE. It was the age when stones were widely used to serve different purposes of the people living during that time. The stones were sharpened and widely used as hunting tool by the people of the Stone Age.
The University Of Kansas, February 1965
what is thd main question
<span>Horace Mann had a huge impact on education, in Massachusetts and nationally. He is best known for his policy on compulsory education--free elementary school education for all. This was in mid-nineteenth century Massachusetts. He is almost as well known for the founding of "normal" schools to prepare elementary teachers, often a one or two-year course of training after grade 10 or so. Among the first two normal schools were Bridgewater Normal School (where I grew up--in its shadow) and Framingham Normal School.</span>
