What would be a central idea in "life on the mississippi " by mark twain?

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The major difference between the communist party in china and political parties in the united states is that a. in the united states, political parties have no role in government. b. in china, the communist party shares power with the national people's congress. c. in the united states, political parties hold widely differing views on almost every topic. d. in china, the communist party runs the government with no opposition.

Which sentence contains a punctuation error? a. have you met my great-aunt marie raines? b. my mother wrote three children's books about the family farm. c. my sister's mother in law lives with them, and everyone gets along fine. d. another hurricane is brewing in the mid-atlantic.