The development in the field of psychology has been through many decades. there has been a revolution the advancement of psychological field.
The understanding of human behavior have resulted in solving many problems. It mainly focuses on how a human will respond in a certain situation and what will be his behavior based on the environment.
There are many books published by various authors which include Sigmund Freud's Interpretation of Dreams.
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<span>In the European history, the Early Middle ages lasted from 5th to the 10th century. The Early Middle Ages was the period where population was declining, majority of which was from the urban centers. The trades were also decreasing, increasing the immigration. From this statement, D, B, A can be cancelled out.
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Answer:
D
Explanation:
Although some of those came after others, they all were made better by railroads.
