Which one uses commas correctly

Reread lines 6-7 "the survivor." determine how the tone of these differs from the preceding lines (1-5)

Consider the title and souce of the following articles. which one is most likely to exhibit a bias? (a) how to roast beef," by the food editor of a magazine (b) americans experiencing greater fatigue than previous generations, " by a harvard researcher (c) "americans' worsening eyesight not related to computer screen usage," by the public relations director of a major computer manufacturer (d) "sharing the burden: a history of cooperation," by a college professor

The missionaries who appear in the novel are colonist britain, portugal, spain, or italy?