Answer:
I think it would be the third one, when you read it aloud it sounds the most natural.
Explanation:
The Gettysburg Speech is perhaps the most important speech in US history. This speech was delivered by Lincoln in less than two minutes, at the end of the American civil war. That's because the message he wanted to give was fast, clear and didn't need a lot of arguments, because it was evident that it was true.
Lincoln inspired by the principles of equality defended in the Declaration of Independence of the country, declared the end of the war based on the concept that the country was born to be a country of free people and owners of their own lives, the end of the war allowed freedom be offered to everyone, as the founding fathers wanted and fought for it. Thus, Lincoln established that the end of the war would bring a nation united in recovery and truly free.
The answer will be learning math
I think it's explanation since the text shows comparison which isn't direct, ni similar words are present, ruling out synonyms and examples aren't present in the text.