The answer is (B) hydroelectricity
I don't have an exact answer but write down what the summary of the speech is about and use those as answers.
Sorry
Movement to merge immigrants into American society!
People were moving to New cities
The correct answer to this open question is the following.
Although you forgot to include the text, the name, or the link to it, we can comment on the following general terms.
Machiavelli can only offer knowledge to the Prince because the Prince is in the position to led and exert ist power and dominion over its subjects and its territories.
Originally, these ideas from Machiavelli were dedicated to Lorenzo de Medici. They are a series of rules and recommendations about cruel leadership and how to rule a government. However, changing the perspective, some of these ideas can serve to teach some interesting lessons to modern-day leaders.
Machiavelli explains some ideas and techniques on how the Prince can increase its power and exert control through fear and lack of compassion. His book, "The Prince" became one of the "must-read" for politicians around the world.