"<span>C to ensure that U.S. businesses could operate in China" is the correct answer for </span>why the <span>the United States announced the Open Door Policy</span>. This was essential for trade.
OC. It strengthened their belief in manifest destiny
Queen Isabella and King Ferdinand
he Berlin Conference of 1884–85, also known as the Congo Conference (German: Kongokonferenz) or West Africa Conference (Westafrika-Konferenz), regulated European colonization and trade in Africa during the New Imperialism period and coincided with Germany's sudden emergence as an imperial power.
During the Chinese Revolution of 1949
