Before the rise of the Boxer Rebellion, the slogan was "Anti-Qing Dynasty and Restoration of Ming Dynasty", and after the rise, the slogan was "Help Qing Dynasty and Destroy Foreign Countries". After being suppressed, the Ministry of Foreign Affairs proposed "sweeping" B

Analysis of test questions: The change of the slogan of the Boxer Movement reflects that the Boxer Movement has gradually deepened its understanding of the Qing government, and its reactionary nature has gradually made the Boxer people lose confidence in the Qing government. Therefore, it is wrong to choose B.A. The Boxer Rebellion is its goal. Item C is correct in itself, but it has nothing to do with materials; Wrong D, the change of the slogan of the boxer movement is not caused by the constant change of the main contradiction, but by the constant change of the understanding of the Qing government.