<span>is an opening to a story that establishes the context and gives background details, often some earlier story that ties into the main one, and other miscellaneous information. so it would be "to set the mood and tone of the play and provide background information"</span>
Answer:
Whitman begins by comparing Lincoln to the captain of a ship and his army to a boat.
Explanation:
From the very start, Whitman calls Lincoln 'captain', and when he says, "our fearful trip is done," we understand that he means "mission accomplished". The line "The ship has weather’d every rack," is an obvious reference to his army. That's how he starts building up his extended metaphor.
It can give them great work experience
The radio is a forerunner. The forerunner of the radio is either telegraphy or the Newspaper.