And, what is the question you are asking? I don't really understand..
Answer:
The description that best defines the central idea of an information text is:
B. the main point the author is trying to make.
Explanation:
The central idea of a text, and that includes information texts as well, is the main point the author is trying to convey, that is, the information he wants people to understand and remember. To support that main idea, to make it understandable, or even to prove it right, the author must use examples, evidence, details, and analysis.
Therefore, options A, C, and D consist of support to the central idea, while option B defines it.
Answer: the idea that African American people are inferior based on perceptions from an earlier time.
A fallacy is defined as "a mistaken belief, especially one based on unsound argument". In this case, the fallacy that would help develop a counterclaim to this case is the idea that African American people are inferior based on perceptions from an earlier time
I think 21 is the third choice, 23 is the first choice, 25 is the third choice, and 26 is the fourth choice.