Answer:
Many scholars believe that the collapse of the Indus Valley Civilization was caused by climate change. By 1800 BCE, the Indus Valley climate grew cooler and drier, and a tectonic event may have diverted or disrupted river systems, which were the lifelines of the Indus Valley Civilization.
Explanation:
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C. It makes more sense and I need points
The correct answer is "C. all of history has been a struggle between classes of people."
Karl Marx was a German economist and socialist revolutionary who developed the theory of Marxism, which states that societies have developed a long time through <em>class struggle</em>. He attributes this to <em>capitalism</em>, where the ruling classes, which control the means of production enter in conflict with the working classes, also known as <em>"the proletariat"</em>. This constant struggle would eventually lead to the fall of capitalism and the rise of a new system called <em>socialism</em>.
Answer: One of the big changes in art was to paint and sculpt subjects realistically. This is called realism and involves a number of techniques that make the subjects and background look like they would in real life. This also meant giving the subjects more emotional qualities.