The comparison is that Nomadic hunters moved around a lot, as the early agriculture communities could stay in one place, and just farm.
United Kingdom and Brazil
Even though the map wasn't provided, it is possible to answer the question by saying that the correct alternative is letter<em> A: Nazi leaders wanted to keep the existence of extermination camps secret.</em>
The extermination camps were built to murder sistematically jewish, communist and all other kinds of people that the Nazi considered inferior. The idea was to have them in hidden places so as not to cause commotion.
<u>Answer</u>:
Industrialization and mass production in Europe at this time have led to social theories, such as Marxism.
<u>Explanation</u>:
Karl Marx came with the idea of ‘Marxism’ where he believed that the workers were losing their independence because of Industrial revolution. Due to Industrial revolution, mass production required large number of workers in the factories. But they had to work in factories on the given timing and they had no control on their own lives. They were also paid less wages according to Karl’s idea of Marxism. This was unfair to the workers.
According to this theory, industrial revolution led to only two classes of people in a society: the working class and the owners of factories. So, social theories arose during this time.