Final answer:
International law refers to the rules or guidelines a country has in its dealings with other countries. It sets parameters around the conduct of state and non-state actors and helps increase the predictability of international relations.
Step-by-step explanation:
International law refers to the rules or guidelines a country has in its dealings with other countries. It is a set of formal and informal rules that govern the international system and establish parameters around the conduct of state and non-state actors. These rules are drawn from treaties and customs and help increase the predictability of international relations.