The greek historian thucydides differed from herodotus in that the former a. was unconcerned with spiritual forces as a factor in history b. exhibited a critical attitude toward his sources but herodotus did not c. devoted much of his writing to economic history d. was unconcerned with teaching lessons based on history

b. exhibited a critical attitude toward his sources but Herodotus did not

Explanation:

Herodotus based his explanations of human events on the will of the gods, besides having poor analytical rigor. His successor, Thucydides, excludes all religious aspects and seeks a purely rational explanation, with a rigorous examination of the sources. He had strict procedures for gathering evidence and its analysis in terms of cause and effect without reference to the intervention of gods.

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~courtney