To explore the land that the United States bought through the Louisiana Purchase
<span>The answer is Letter D. It is written in a tone that is appropriate for an explanatory essay than the other letters. Since the letters a,b,c, is informal for an explanatory essay. Letter D. explains the Neolithic Revolution with formality and proper use of words, than the other letters.</span>
The correct answer to this open question is the following.
The dates associated with the industrial revolution are the following. The Industrial Revolution is considered to be started in 1750 and ended in 1914. We have to consider that there were two periods that historians mark as the First Industrial Revolution and the Second Industrial Revolution. During the first period (1750-1850), industries manufactured more raw materials and natural resources. During the second period (1850-1914), industries focused on different goods such as soil and steel.
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