The sentence which best shows correct comma usage is " What would you like, Ken, for breakfast?" Option B is correct.
When we use vocatives in sentences, that is, names that are being addressed direcly, they must be separated with a comma or commas from the rest of the sentence.
In this particular case, the word Ken is between commas to be separated from the rest of the sentence. However, since vocatives tend to be at the beginning or end of a sentence, it should be semarated only by one comma.
Answer:
3. a nation founded on the principles of liberty and equality for all people could endure
Explanation:
The Gettysburg Address was a speech by Abraham Lincoln in 1863, in the Civil War.
This following citation of the address is important to solve this question
"Fourscore and seven years ago our fathers brought forth, on this continent, a new nation, conceived in liberty, and dedicated to the proposition that all men are created equal. Now we are engaged in a great civil war, testing whether that nation, or any nation so conceived, and so dedicated, can long endure."
So the correct answer is:
3. a nation founded on the principles of liberty and equality for all people could endure
She decided to buy more wrappers.