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The question asks for the name given to the examination of historical phenomena, considering the specific conditions of a certain stage of societal development. The options are:

a. принцип историзма (principle of historicism)

b. метод статистического анализа (method of statistical analysis)

c. принцип объективности (principle of objectivity)

d. принцип интеграции (principle of integration)

The text requests selecting one answer.