Ключевые слова: adversity, aggression, animosity, antagonism, battle, belligerence, challenge, clash, combat, competition, conflict, confrontation, contention, contest, crisis, derby, diplomacy, discord, dispute, division, economy, enmity, faceoff, fire, flag, governments, hatred, hostility, mediation, negotiation, opposition, politics, rebellion, resistance, revolution, rivalry, russia, russian federation, separation, skirmish, sport, standoff, strife, tension, treaty, unrest, versus, vs, war, yemen,