Why did machiavelli advocate the use of force by a ruler? to establish and promote international trade routes that to improve the economy to lessen the chance of revolt within the ruler’s domain and ensure a prolonged reign to provide for the common good of all citizens of the region to gain power over the state through competent government

to lessen the chance of revolt within the ruler’s domain and ensure a prolonged reign

the answer to this question is the third option. hope this

the triple alliance. germany and austria-hungary were already allies by 1879 when, worried about a threat from russia, they formed the dual alliance. italy joined the group in 1882. there was a concern about a possible attack from france and the alliance needed powerful friends to defend it.