What foreign policy tool provides the nation with partners it can rely on in times of crisis?

diplomacy
alliances
war
foreign aid

How did charles v and philip ii expand the spanish state? they united separate spanish kingdoms into a unified state. they supported protestant rebels in the netherlands. they carried on a successful war against britain. they fought wars and tried to expand catholicism.

Which feature of government does montesquieu argue for in his book de l’esprit des lois (spirit of laws)?

What is the main inference that can be drawn from adam smith’s book the wealth of nations?