The cURL error 28 literally means that your site tried to perform a request using the cURL library but the specified timeout period was reached before getting a successful result for the request
Answer: A. To focus on how far the nation has come since its founding
Explanation:
A milestone refers to a significant event in the life of a person or thing that marks a change from their previous status. For instance, marriage is a milestone, so also is moving out of your parent's house or having your first child.
After a milestone, a new chapter begins and it is this new chapter that President Carter was referring to. The U.S. began a new chapter when they got their freedom and President Carter is trying to bring attention to this to show how far the nation had come since its founding.
He demonstrated the mathematical equation by solving it on the board.
