Answer:
Example topic sentence: The U.S. should keep pennies as part of the money system because although pennies cost more to make than they are worth, they save consumers money in the long run.
Explanation:
This is argumentative writing because it is opinionated and trying to convince the reader that what they think is right. They are arguing that pennies are necessary.
Answer:
Before the noun in the sentence.
Explanation:
They explain that everyone struggles to be happy, borrowing happiness from other people, and that even the earth itself has to borrow happiness.