What is a subordinating conjunction and how do you find it?

Read this sentence from "the wife's lament

Aproblem associated with drinking a beverage while driving is a.you may swallow more than intended b.your hands will be greasy c.your judgment will be impaired

Read the excerpt from martin luther king jr.’s “i have a dream” speech. the negro is still languishing in the corners of american society and finds himself an exile in his own land. and so we’ve come here today to dramatize a shameful condition. the emotional connotation of the underlined word king express his a. indecision. b. hopefulness. c. spirituality. d. outrage.