The sentence that should be added to paragraph 2 to best develop the author's thesis is: To many, the magazine cover showed a hopeful American spirit and fostered the belief that women could do male-dominated jobs.
Meaning of Thesis
Thesis refers to the central argument in a text. In the text provided above, we see that Rosie Riveter was an initiative of the government that was meant to push more women to join the industries during the war.
The second paragraph tells what was portrayed by the magazine cover.
Adding the option A sentence will further discuss the purpose of the cover and add to the thesis of the setence.
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