Final answer:
To make his statement more effective, Lincoln could summarize the Missouri Compromise for the audience, organize concepts in order of importance, and maintain a respectful tone.
Step-by-step explanation:
To make his statement more effective, Lincoln could summarize the Missouri Compromise for the audience.
By providing a concise explanation of the history and significance of the compromise, Lincoln would help the audience better understand the context of the repeal and its implications. This would make his argument clearer and more persuasive.
Additionally, organizing concepts in order of importance would help Lincoln present his arguments in a logical and structured manner, making it easier for the audience to follow his points. Finally, it is important for Lincoln to avoid name calling and maintain a respectful and professional tone in his statement.