Ключевые слова: african, american, black, block, blocks, boss, business, ceo, chain, challenge, chess, collapse, concept, crisis, defense, domino, dominoes, effect, entrepreneurship, failure, fall, falling, finance, hand, help, insurance, intervention, king, leader, male, man, management, men, object, opportunity, prevent, prevention, protect, protection, risk, security, solution, stopping, strategy, success, young,