What inferences can be made about the slaves saying either nothing about their masters or
praising them?

There are 2 explanitions

Explanation:

Either slaves are too scared to speak bad of their masteres . Or that the masteres treat them that badly they have nothing good to say about them .

faulty parallelism is a construction in which two or more parts of a sentence are equivalent in meaning but not grammatically similar in form.

the correct version of this faulty parallelism in the sentence is:

the hikers knew that the hike was six miles, that it usually required the entire day, and it would not be wise to start after 10: 00 a.m.

the problem is the last sentence, the first two have a basic subject+verb+object structure.

so, to give a proper balance to the structure, or better said, to give a parallel structure, we must write a basic s+v+o structure in all three sentences:

the hikers knew that the hike was six miles, that it usually required the entire day, and it would not be wise to start after 10: 00 a.m.

alliteration is the repetition of the same or similar consonants. having that in mind, i would say that the correct answer is: so shows a snowy dove trooping with crows.