Question

which of the following is a secondary source for studying the american civil war? a textbook written by a modern historian analyzing the causes of the civil war a letter written by a civil war soldier describing his experiences in battle

Explanation:

A secondary source interprets/analyzes primary sources (first - hand accounts). A modern historian’s textbook analyzing Civil War causes is secondary. A Civil War soldier’s letter is a primary source (first - hand experience).

Answer:

a textbook written by a modern historian analyzing the causes of the Civil War