Why does the author include the section "Famous words have echoed throughout

history"?

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The author included the section "Famous words have echoed throughout history" to explain the pros and cons of including ideas about women and slaves in the declaration.

The author includes the comparison of how the women that organized the Seneca Falls Convention in Seneca Falls, New York, in 1848, used similar ideas taken from the Declaration of Independence to write their own "Declaration of Sentiments" to support their ideas about Women rights.

The author also comments on how Abigail Adams talked to John Adams, her husband, to write laws that favored women.  

richard nixon led the investigation that resulted in alger hiss being convicted of prejury.

during the ming dynasty