Final answer:
The argument presented in the excerpt supports the claim that Neo-Confucianism in the Song dynasty aimed to establish a social and political order.
Step-by-step explanation:
The argument presented in the excerpt supports the claim that Neo-Confucianism in the Song dynasty aimed to establish a social and political order. The thinkers of this movement sought to reestablish the superiority of Confucian philosophy over Buddhism and Daoism by incorporating aspects of these rival doctrines while clearing out errors that had infiltrated Confucian learning over the centuries. This philosophical, cultural, and political system played a role at every level of society.