Answer:
e. All these answers are correct.
Step-by-step explanation:
"The Prince" (published 1532) is a political treatise written by diplomat and politician Niccolo Machiavelli (1469 – 1527). The book justifies the use of immoral means by prince to achieve glory and survival.
Option A (states to unite) is discussed in chapter 3 and to some extent in chapter 19.
Option B and C are discussed throughout the book.
Option D is discussed in detail in chapter 17 of the book.