In "Cairo: My City, Our Revolution", by Ahdaf Soueif, at the end of the second paragraph, Soueif writes "We don't know it yet, but the lights of Cairo will not come on tonight".
In 2011 there are mass demonstrations against corruption, poverty, and political repression. Organized by youth groups that are independent of traditional parties. They want Mubarak, president for almost thirty years to step down and allow free elections. Soueif is both a revolutionary and a writer. She doesn't want to lose touch with revolution so she both protests and writes. In the sentence above she tells us how this demonstration is going to end that night. A curfew is imposed on Cairo by the government. Soueif, wanted the book to be more than a record of the revolution. Her description of the present, by a glimpse into the future, is very vivid. They didn't know what would happen to them that night. It is a present that is constantly changing.
Answer: Common Noun!
Explanation: <em>This is easy. A proper noun is something specific.</em>
<em>A common noun is not specific.</em>
Example:
Common Noun Version: restaurant
Proper Noun Version: Burger King
According to Kennedy's address, the idea that must be changed is that black people are less worthy than white. Basically, it's an idea that freedom has limits. If freedom exists in the United States, it must exist and be applicable to everyone, including the African American citizens. If it excludes anyone, based on any feature, it is not freedom at all. Freedom is the basis of American Constitution. It is one of the pillars of American national identity. So, it must be available and guaranteed for everyone. The change is necessary because it is time to start employing this idea that had been abstract for an entire century. By changing this idea, the American society would become a society of equals, with each and every citizen's fundamental human rights being protected and guaranteed.
Well if an author uses very negative words, then the tone of the article goes that way. If they were discussing something political and the author used a lot of hurtful words then it makes the tone of the article seem very anti whatever they were writing about.