Egypt is the early river valley civilization is marked by the letter B on the map. Valley civilization is also known as Harappa civilization.
What do you mean by valley civilization?
Indus valley civilization is about the 2500 to 1500 b.c, it is an ancient civilization that boomed in the Indus River valley. This civilization is known for urban planning of the urban environment, it also has the political and cultural motive.
Thus, option D is correct.
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