A, The river is constantly changing. I did this last year so I know what the answer is. Fickle means changing frequently or in my term, stubborn. In his point of view, the river has a mind of its own and changes often. Which he described as "fickle." It may be hard for Twain to pilot a steamboat, if the river is constantly changing.
In his most famous and eloquent dissent, Harlan held that “our Constitution is color-blind,” that “in this country there is no superior, dominant ruling class of citizens,” and that it is wrong to allow the states to “regulate the enjoyment of citizens' civil rights solely on the basis of race.
Hoped this worked :)
What is considered the northern area in your question?
Options C and D feature parallel structure.
Parallel structure occurs when the same grammatical pattern is used. In options C and D, the same grammatical pattern is used in each: both are questions, and both begin with a verb followed by the subject.
