Answer:
New technologies and methods, such as improved fertilization and crop rotation, greatly increased food production.
Explanation:
This increased agricultural efficiency meant that less people were needed to work on farms and more could seek employment in growing urban industries
Option C, Niccolo di Bernardo dei Machiavelli is the right answer.
Niccolo di Bernardo dei Machiavelli was an Italian politician of the Renaissance period. He was a 16th-century scholar from Florentine who is known primarily for his political doctrines. His most influential philosophical works (the prince and the Discourses on Livy) were printed after his death.
The Roman Tetrarchy. Tetrarchy refers to the establishment by the Roman Emperor Diocletian of a 4-part division of the empire. Diocletian understood that the huge Roman Empire could be (and often was) taken over by any general who chose to assassinate the emperor.
Hope that helped!!