The question above wants to assess your writing and researching ability. For this reason, I cannot write this correspondence for you, but I will show you how to write it.
First, you should research how the abolitionist cause was handled by its advocates at the time slavery was legalized.
In this research, you should look at the arguments abolitionists used and how they developed these arguments. This will serve as the basis for you to write your correspondence.
After that, you can write the correspondence as follows:
Do not forget that this correspondence must be written in formal language, as this is a serious matter and will be read by important people in society.
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