Answer:
4. According to historian David Garrow, King knew at the start of the second attempt that he would cut the march short, but did not inform most of the marchers or the leaders of his plan.
Explanation:
The sentence that includes information that would be more appropriate in a footnote is sentence 4 that says "According to historian David Garrow, King knew at the start of the second attempt that he would cut the march short, but did not inform most of the marchers or the leaders of his plan" because the historian David Garrow, knew about the second attempt that he would cut the march. However, he didn't inform the leaders of his plan.
Historian David Garrow was aware that he would cut the march but didn't inform the leaders, is the information that can be included in the footnote.
Footnotes are the string of content or text at the bottom of the page. They are the information that is placed at the end of the chapters, the whole text of the document.
The footnotes are used to provide citations and are the additional information that disrupts the flow of the text.
Therefore, option C. sentence 4 can be included in the footnote.
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