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

“dear sir: it is with great reluctance, i trouble you on a subject, which does not fall within your province; but it is a subject that occasions me more distress, than i have felt, since the commencement of the war; and which loudly demands the most zealous exertions of every person of weight and authority, who is interested in the success of our affairs. i mean the present dreadful situation of the army for want of provisions, and the miserable prospects before us, with respect to futurity. it is more alarming than you will probably conceive, for, to form a just idea, it were necessary to be on the spot. for some days past, there has been little less, than a famine in camp. a part of the army has been a week, without any kind of flesh, and the rest for three or four days. naked and starving as they are, we cannot enough admire the incomparable patience and fidelity of the soldiery, that they have not been ere this excited by their sufferings, to a general mutiny or dispersion. strong symptoms, however, discontent have appeared in particular instances; and nothing but the most acitive efforts every where can long avert so shocking a catastrophe.” what’s the central idea?