Thus, each topic sentence serves as a more specific version of the thesis.
It was a remarkably coherent body of critical journalistic work, concluded after its first year, 1972, with a special issue titled “Our Challenge for 1973.” The latter became the political platform on which Bobby Seale and Elaine Brown ran for local office.
More than anything else, the party seized upon the Port of Oakland as a symbol of the city’s failed priorities and the deep contradictions within local economic development.
Note in particular that Self’s topic sentences do not include direct quotations; he saves those for the bodies of the paragraphs.
Historians only rarely use quotations in their topic sentences, since the topic sentences should present the scholar’s voice, not the sources’.