In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
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Question: During the American Civil War , the river , with few convenient fords and fewer bridges , provided a barrier and defensive line .

Answer: During the American Civil War , the river , with few convenient fords and fewer bridges , provided a barrier and defensive line behind which movements of troops could be accomplished with little fear of attack from the river-side flank .

Question: It must be given before they are interrogated , in accordance with the " Miranda " ruling .

Answer: The Miranda warning ( often shortened to " Miranda " , or " Mirandizing " a suspect ) is the name of the formal warning that is required to be given by law enforcement in the United States to criminal suspects in police custody ( or in a custodial situation ) before they are interrogated , in accordance with the " Miranda " ruling .

Question: The human genome is stored on 23 chromosome pairs in the cell nucleus and in the small mitochondrial DNA .

Answer:
The human genome is the complete set of nucleic acid sequences for humans , encoded as DNA within the 23 chromosome pairs in cell nuclei and in a small DNA molecule found within individual mitochondria .