<span>C.the railroads had to pass over mountains and rivers</span>
I believe the answer is: Biases
The person who made such comments usually had a a really strong preference in one economic system, to the point where that person refuse to acknoweldge the weakness in their preferred view and the strength in the opposing view. This bias could easily be held by all sides.
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The therapist is likely making use of age regression. This
is involved with therapy in which the therapist is likely to access the childhood
memory of an individual and that they are likely to be accessed increasingly. This
includes the feelings and the thoughts of the individual undergoing with the
therapy.