Final answer:
The radio version of The War of the Worlds included an announcer, several characters, and a live orchestra and music to create pathos and keep the audience's attention.
Step-by-step explanation:
The radio version of The War of the Worlds included several elements to create pathos and keep the audience's attention. One of these elements was an announcer and several characters. The announcer provided a sense of authority and guided the narrative, while the characters added depth and emotional connection to the story. Additionally, the broadcast included a live orchestra and music, which enhanced the dramatic impact of the storytelling.