The Red Guards carried out the Cultural Revolution by O protecting old customs against new reforms.
O persecuting intellectuals and government officials.
Ofreeing thousands of people from reeducation camps.
O recruiting supporters of capitalistic policies.

persecuting intellectuals and government officials.

Explanation:

Chinese Cultural Revolution witnessed a mass protest by the students in 1966. The protestors were given the name of Red Guards. The movement was led by Chairman Mao Zedong to turn down the pre-communist past of China and turn it into a revolutionary one. The aims that were defined by the Red Guards was to seize the power of the Communists. The protest turned into a violent one when the protestor started to indulge in conflict with the authorities and the government.

they united the colonies in their fight against the british.

c. troops marched forward in close formation against newer, more accurate weapons