Answer: Freedom. The declaration specifies the principle of equality: "Human beings are born and remain equal in rights" (art. 1), because they are born in equal measure. Equality is a necessary consequence of the natural nature of rights. The declaration includes some general rules necessary for the realization of rights and freedoms. For example, article 4 stipulates that "Freedom is the ability to do everything that is not harmful to another; Thus, the exercise of natural human rights has only those boundaries that provide other members of society with the enjoyment of the same rights.
The effect of the Transatlantic slave trade on Africa during these two time periods was that it basically robbed the African continent of men who were capable to work. They were transfered to the US and had to work there without basic rights.
With the invention of the cotton gin people were now able to get the seeds out of the cotton rapidly while before it would take hours or even days to remove the seeds out of cotton