relations - n. understandings or ties between nations; members of the same family; people connected by marriage or family ties

compare - v. to examine what is different or similar

effect - n. the result or change caused by something (“The storm had a serious effect on the economy.”)

violent/violence - n. the use of force to cause injury, death or damage

aggressive/aggression - n. an attack against a person or country; the violation of a country’s borders