The motorcycle police were a coat of armor as they escorted buses bringing black students home from south boston high school. this was the second day of a court-ordered school integration program requiring the busing of 18 percent of public school students in 1974. some buses were stoned, and several arrests were made.

how does the metaphor "coat of armor" affect the writer's message?

Ivansanger rainsfordgeneral zaroffwhitneyadventurous hunter; calm and composed; considers himself a realist; new yorker; veteran of world war ia hunter; sympathetic to the plight of voiceless, defenseless animals; cautiouscossack; mute; formidable physical stature; wears a black uniform; used to whip prisoners for the great white czarcossack; aristocrat; has sharp, pointed teeth and red lips; devoid of humanity and emotion