Nutrient-rich soil for farming
If you remember, a lot of Okies went to California during the Depression because they had "ruined" the land to the point they couldn't use it anymore
Immigration would be the best option
The correct answer for this question is this one: "D Britain and the Cunard line were humiliated when Germans had captured the trophy for the fastest transatlantic crossing." That is not a motivation for the Cunard line to build the lusitania.
Hope this helps answer your question and have a nice day ahead.
For the mock news account, you could present it as if it was one of the greatest battles in history of America, while in reality it was a very brief skirmish that involved some 100 people or less who later went to Concorde. Hyperbole would cause a comic effect so go for that in you mock news essay.