In 1977, workers in this industry displayed a large banner calling Maynard Jackson a “liar” during a nationally televised baseball game. The “Invaders” urged students to skip school during a strike in this industry that prompted James Lawson to form the Community on the Move for Equality. This industry is the subject of Michael K. Honey’s book Going Down Jericho Road, which details a “plantation mentality” under Mayor Henry Loeb. This industry’s use of (*) “wiener barrel” trucks (10[1])declined after Echol Cole and Robert Walker’s deaths triggered a strike that popularized the slogan “I AM A MAN.” During a strike in this industry, a gunman at the Lorraine Motel shot the giver of the “I’ve Been to the Mountaintop” speech. For 10 points, Martin Luther King Jr. was assassinated while supporting Memphis workers in what industry? (10[1])■END■ (0[4])