Well, Lincoln is talking about supporting emancipation and the fact that he considers it his responsibility to do so. His point is that, emancipation is necessary to uphold the constitution and therefore preserve the nation. So emancipation is "amputating the limb" in order to save the nation or "life".
I don't have enough time to go to the supermarket today. Can you go instead?
Answer: To improve their games, chess players must face skilled opponents and attempt novel strategies.
Explanation:
An argumentative speech is refered to as a form of persuasive speech whereby the aim of the speaker is to convince the audience so that their viewpoints regarding a certain topic can be changed.
The sentence that best demonstrates the language required of an argumentative speech is "To improve their games, chess players must face skilled opponents and attempt novel strategies".
To be honest, it's a little confusing myself, hehehe. But I believe that C might be the right answer or B. You might have to wait for other answers besides mine.