How does one translate "what does the subject on abortion has got to do with writing about black slaves?" Emphasis on "got to do". What are ways to say it?

has to do with → gen pou wè ak, ki relasyon ki gen ant, ki koneksyon ki gen ant

1. What does one has to do with the other?
     Kisa youn gen pou wè ak lòt la?

2. "What does the subject on abortion has got to do with writing about black slaves?"
     Kisa ekri sou esklav nwa yo gen pou wè ak koze avòtman an? 
     Ki koneksyon ki gen ant ekri sou esklav nwa yo ak koze avòtman an?
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