Final answer:
The two primary-source historical documents have different arguments regarding the 1968 Democratic Convention and the war in Vietnam. The authors use techniques like historical context and persuasive language, and there may be some bias or stereotypes present.
Step-by-step explanation:
The two primary-source historical documents, the 1968 Democratic Convention and its bosses, and The Letter from National Mobilization Committee to End the War on Vietnam, present different arguments regarding the convention and the war. The authors use various techniques to form their arguments, such as providing historical context, using persuasive language, and presenting evidence. In terms of bias or stereotypes, there may be some evident in both documents, as the authors express their perspectives and opinions. Proper citations using the author-date system should be included in the essay.