Question: there were also black prisoners in the infamous "house of correction and prison", where all in all the names of twelve negroes have been entered in the parish register between 1771 and 1863.
Answer: --> There were also black prisoners in the infamous "House of Correction and Prison", where all in all the names of twelve Negroes have been entered in the parish register between 1771 and 1863.

Question: tighter laws regulating such emissions came into force in germany at the beginning of june this year and more stringent eu regulations are expected to come into effect within the next few years.
Answer: --> Tighter laws regulating such emissions came into force in Germany at the beginning of June this year and more stringent EU regulations are expected to come into effect within the next few years.

Question: the existence of additive inverses for the equivalence classes is simple; i.e., the inverse of [r] is [-r].
Answer:
--> The existence of additive inverses for the equivalence classes is simple; i.e., the inverse of [r] is [-r].