During the American westward movement, Democratic politician Joh

During the American westward movement, Democratic politician John L. O’Sullivan produced the famous theory of ______.
A、“Isolationism”
B、“Good Neighbor Policy”
C、“Social Darwinism”
D、“Manifest Destiny”
【正确答案】：D
【题目解析】：本题考查美国的西部运动。根据课本的P200 The expansionist movement produced a theory of "Manifest Destiny". This phrase first appeared in an article written by Democratic politician John L. O'Sullivan可知，民主党政治家约翰·l·奥沙利文发表了“宿命论”。