Answer:
The development of an extensive road system.
Explanation:
In order to keep their vast empire under control, the Incas needed good communication between the areas they ruled.
That is why they worked on building routes and managed to develop an impressive road system which <em>facilitated trade as well as communication</em> between the Incan municipalities. These roads were crucial in <u>maintaining authority over newly conquered lands.</u>
The reason it was such a huge mistake was because the weapons were much more modern during the Civil War. Napoleon had weapons that fit to his strategies which was why his strategies were so famous for his day in age. The weapons they used in the Civil War were more powerful, and much more accurate.
B is the best answer to the question
D, seeking democratic reform and nationalism. the movement began in italy with a local revolution and eventually extended throughout all of europe with the exception of russia, spain, and scandanvia
