How did frederick douglass use the declaration of independence to argue against slavery

Douglass drew on the custom of natural law in his argument against slavery. The past of Western equality and political belief places a strong importance on fairness and social development, which Douglass contended must have successively prejudiced the general ideas of America’s founding documents. According to Douglass, slavery also opposed the formation story of the Christian Bible, which states God “hath made of one blood all lands of men for to live on all the face of the earth.” According to Douglass, the Bible’s assertion of worldwide brotherhood, produced it to become a natural law that would have affected the framers' conscripting of the Constitution.

explanation: we can only guess at how our actions may be perceived in the future. doing something really big like killing lots of people, saving lots of people, affecting the lives of lots of people is a sure fire way of being remembered in historical records. we can also make a difference in the history records by being a small influence on something bigger, whether that is as a civil servant, scientist or artist.

of course you could argue that we all affect history just as tiny cogs in a   bigger machine.

if you mean how do people influence our opinions of things which have already happened, then simply by writing a book which looks at things form a different perspective and trying to convince people that this perspective is more accurate or truthful. people do it all the time i.e. richard the third was a terrible or was he? plenty would disagree, it's just that their views aren't the most widely known.n: