Which of the following statements about the role of the Red Guard during the Cultural Revolution is correct? Group of answer choices

The Red Guard served as the guardians of Chinese history, charged with acquiring and protecting important works of Chinese literature and art.

The Red Guard was a group of Mao Zedong's most trusted political and military advisors, on whose guidance he relied throughout his reign.

The Red Guard was responsible for carrying out secret military campaigns throughout Asia aimed at weakening democratic governments in the region and encouraging communist revolutions.

The Red Guard arrested, tortured, and sometimes executed individuals deemed a threat to Mao Zedong's rule and communism in general, including capitalists, intellectuals, and political dissidents. some help me which one is it