Ключевые слова: agreement, authority, brazil, business, businessmen, chess, chessboard, communication, compete, competition, concept, conceptual, contract, cooperation, counter, country, deal, diplomacy, diplomat, diplomatic, flags, game, government, interaction, leader, meeting, move, nation, national, official, people, political, politician, politics, relation, rival, rivalry, state, summit, treaty, venezuela, versus, vs, war,