Historians could in many ways study all of these things at different times in their relation to other areas of history. However, the best answer is A) change over time.
I think it's A, but I'll be happy to hear other opinions
Historians primarily study A) Change over time, as they examine the causes and effects of past events to understand how societies and cultures evolve. This analysis helps connect historical developments to contemporary issues. Their work is not just about documenting facts, but about interpreting those facts to form a coherent understanding of human experience across time.
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