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In page Cultural Revolution:

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Although in early 1967 popular insurgencies were limited outside of the biggest cities, local governments began collapsing all across China.[10]: 21  Revolutionaries dismantled ruling government and party organizations, because power seizures lacked centralized leadership, it was no longer clear who believed in Mao's revolutionary vision and who was exploiting the chaos for their own gain. The formation of rival revolutionary groups and manifestations of long-established local feuds, led to violent struggles between factions.[citation needed]