Alexander III of Macedon (Greek: Αλέξανδρος Γ΄ ὁ Μακεδών; 20/21 July 356 BC – 10/11 June 323 BC), commonly known as Alexander the Great
Answer:
Freedmen's Bureau, (1865–72), during the Reconstruction period after the American Civil War, popular name for the U.S. Bureau of Refugees, Freedmen, and Abandoned Lands, established by Congress to provide practical aid to 4,000,000 newly freed African Americans in their transition from slavery to freedom.
Answer:
Option D - to guarantee the United States exclusive trading rights with China.
Explanation:
The main purpose of the open door policy was to make sure the United States would have access to China's markets.