·guam · philippines · puerto rico all of these territories came under the control of the united states following what conflict? a) mexican war b) world war i c) war of 1812 d) spanish american war

The territories of Guam, Philippines, and Puerto Rico all became under the control of the United States following the conflict of the Spanish American War. The Spanish American war was fought between Spain and the United States in 1898. The correct answer is D.