What hardships did Lunt describe

The war could not have been avoided because of the determination of the Confederacy.They wanted to be considered as an independent nation and therefore the only way that they could have withdrawn from the Union was through a war because the North would not have allowed them to come out of the Union easily.

Explanation:

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The answer to the question presented above would be a. the intensity of the opinions expressed. All of the following are examples of the difficulties associated with measuring public opinion except the intensity of the opinions expressed. All the others denote difficulties.