文革的历史功过，现在还不能草率下定论，现在看到的是被否定的那部分。文革期间中美和解、中西方建交、中国重返联合国、完成两弹一星，这是为什么？
The Cultural Revolution has been successful in its history, and it is not yet quick enough to decide, and what it is now seeing is the negative part. Why was it that China and the United States reconciled during the Cultural Revolution, that China established a relationship with the West, that China returned to the United Nations, and that China completed two rounds of a single star?