Answer:
"Americans born in this country, changed by ...has always been committed..."
Explanation:
The reason why this is a use of an emotional appeal is that it focuses on the pride that Americans have and the strong connection they have to their country. Another appeal to emotion would be, "...we are the heirs of that first revolution." a sense of strong American pride is shown here as well because of the emotional appeal of perseverance against the odds to fight for what you believe in.
Hello. Unfortunately the texts your question refers to are not available and this makes it impossible for me to answer your question properly. However, I will try to help you as best I can.
To discover the message these two works share, you will need to read both texts. This message is the theme, the lesson that the author of the two texts wants to present to the reader. You can find this message by reading the texts and answering the question "What are these texts trying to teach me?"
Assuming we're just looking at this phrase, "learn'd" suggests that the astronomer studied to become intelligent in the astronomical field.