However, at this critical stage,US strategic thinking suddenly became more inflexible and tougher,while the rise of McCarthyism made the domestic political atmosphere in creasingly poisonous,setting off a new antiChina,antiCommunist upsurge.

• 然而，在此关键时期，美国的战略指导思想发生变化，美国国内以“麦卡锡主义”为代表，掀起了反华反共的政治思潮，国内政治环境严重恶化。