He read his textbooks carefully and made concept maps to help him remember the details.
The word realm could mean a type of dimension or a specific place.
My best guess and answer is:
D
because the author is trying to reach out to his viewers or readers to understand and try to find out if they have a lack of decency in their own society they are living in.
Hope this helps!!
Several people didn't agree with what trump has said and done. He's homophobic, racist, and against womens rights. He's let officers take black people's lives, tried to enforce stop and frisk, which is basically taking any black person off of the street and tossing them into jail, and hasn't taken the virus seriously. He's also calling global warming an expensive little hoax, which is completely wrong and upsetting. Biden, however, is in favor of LGBTQ+ rights, womens rights, and supports black men and women. He's letting a black, female woman to be his vice president, which is a massive step, as she's the first one.
The correct answer among the choices provided is the fourth option. Personal testimony was used by the speaker to prove his point. The speaker talked about his experiences on how Britain tried to stop the war in Europe. He is credible since he was a Cabinet member during that time.