Define international system.
The international system is the set of rules by which states relate to one another. Most of these rules arise from tradition and custom, but states can break them at times. Each state is sovereign.
In what ways do realism and liberalism differ?
Although both realism and liberalism are predicated on the assumption that the world is an anarchic place, realism emphasizes the desire of states to increase their military power relative to other states, whereas liberalism stresses the importance of economic engagement and the role of international institutions.
What are the two major revolutions that have inspired other revolutionaries in the modern era?
The American and French Revolutions have served as models for many modern revolutions.