A 'Complete' United States History Time Line

WWII Exam USH.3.9 Create and explain a timeline of key events by which the United States became a world power. Timeline Activity Imperialism to WWI Exam. WWII Exam USH.3.10 Locate on a world map the territories acquired by the United States during its emergence as an imperial power in the world and explain how these territories were acquired. ................
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