Considering you did not post the options, I'd go with The Maze Runner.
Answer:
When Paul Rusesabagina stated that words are powerful tools of life, he was referring to how much of an impact and effect they can have. For example, if you were being bullied, those words that were harmful to your feeling may have a permanent impact on your self esteem.
Explanation:
Answer: The reason America became involved in WWI was because Germany started sinking American merchant ships around the British isles
Explanation: Originally, America wanted nothing to to with the war because they weren't concerned about about events and alliances in Europe, and thus stayed out of the war. But eventually German forced our hand and we joined.
Mark Twain would have most likely used the phrase as B) a period of ridiculous excess. During this period there was rapid economic expansion and growth, but this did not extend to the working poor. The wealth expansion also created very corrupt politics. These factors came to define this period as the "Gilded Age." Twain was very critical of this period and its economic and political characteristics.
They decided to settle in Mexico because their god told them to move south, when they got there, all the good land was taken by the other tribes and theirs was filled with snakes.