Historians study historical causation in order to: A. identify the biases that might be found in a secondary source.
B. analyze the historical context surrounding a primary source.
C. determine which events led directly to other events.
D. decide whether a historical source should be accepted as factual.

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One of the most important tasks of the historian is to investigate sources in order to determine causation so as to establish lessons learned from past events.

name two ways organisms join a population and two ways organisms leave a population. two ways organisms join a population are birth rate and immigration. two ways they leave are death rate and emigration.

explanation: