From President Harry Truman to President Richard Nixon, American policy towards China transforms " containment and isolation " into " curb but not isolation " and " containment and add contact ". 从杜鲁门总统到尼克松总统,美国对华政策经过了遏制加孤立到遏制但不孤立的变化,再到遏制加接触的转变。
The conclusion summarizes the full text in order to deepen the understanding of the relationship between the CIA and the Presidents from Harry S. Truman to Richard M. Nixon. 结语部分概括总结全文内容,以深化对从杜鲁门总统到尼克松总统时期中情局与总统关系的认识。