In this high school U.S. government and U.S. history curriculum unit, students examine in depth the annexation of the Philippines. Detailed activities are provided to teach students about U.S. foreign policy, the growth of the United States as a world power, and expansion and colonization in the Pacific Ocean. The materials include informational handouts for students, background information for teachers, lesson ideas and outlines, black line masters, rubrics, application to civics and history standards, and primary source documents, including correspondence and diaries of key figures in the annexation of the Philippines, newspaper articles, and state department documents. (RJC)