The rise of China presents a major challenge for US strategy in Southeast Asia, the US#xE2;#xAC;"s allies and key security partners in the region having increasingly to confront a strategic choice between Washington and Beijing. This book assesses how the strategic relationships between the USA and the countries of the region are changing in the light of China#xE2;#xAC;"s rise. It considers the position for America#xE2;#xAC;"s formal allies #xE2;#xAC;#x1C; the Philippines and Thailand, its de facto ally #xE2;#xAC;#x1C; Singapore, and the other countries of the region #xE2;#xAC;#x1C; Malaysia, Indonesia and Vietnam #xE2;#xAC;#x1C; with whom the US has recently had increasingly close ties. The book concludes with an assessment of the overall impact on US strategy in the region.