A slogan is a promotional slogan written in short text. Propaganda slogans are easy to "build momentum" and create an atmosphere, and can also easily "pacify the people".

D

Test question analysis: Wrong A. Villagers’ committees and residents’ committees are the grassroots level for self-management, self-education, and self-service for rural villagers and urban residents in my country. A mass autonomous organization is not a grassroots political power; B is wrong, the election of village committee members in the material has nothing to do with the party; C is wrong, the election of village committees is not the same as the election of people's congress deputies, choose D for this question.