Which statement is an example of evidence a historian could use to support claim about the American civil war
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B - The Emancipation Proclamation freed slaves only in states that had seceded from the Union.
This is a factual statement that a historian could use. Options C and D are opinions and option A is non-factual and non-committal.
Answer:
The correct option is B. The emancipation proclamation freed slaves only in states that had seceded from the union
Explanation:
On September 22, soon after the Union victory at Antietam, the President Lincoln issued a preliminary Emancipation Proclamation, declaring that as of January 1, 1863, all slaves in the rebellious states “shall be then, thenceforward, and forever free.”