When reading any standard edited text how can you spot proper nouns very quickly?

Read the following excerpt from string by alice childress: maydelle. oh, look at you. if you had a nice suit perhapsnone of this would have happened.joe. l. v. got a nice suit, he got maybe forty nice suits andhe live in a pretty white house with a lawn in the front of it... but he cheatswhich statement best explains how the author uses symbolism in thisexcerpt? a. joe stands for the general turmoil that followed the years after thecivil rights act of 1964, which included riots and assassinations.b. with his combination of nice clothes and immoral behavior, l. v.represents the price some african americans paid in order toescape poverty.c. by describing l v.'s clothes in the same breath as his evilbehavior, joe points out that l. v. is only good on the outside, noton the insideod. the tension between joe and l. v. culminates in a physicalaltercation that is only broken up when the women in the playintervene.

Based on your knowledge of word parts what does the word intervene mean

Ican’t find this question here can y’all tell me the awnser?