1.They help the reader understand that veterans receive help from the government.
1.A scientific article on the benefits of community service.
By writting an article it helps knowing the benefits of community service.
3. It tells the reader when to pause at the end of lines.
Putting the dasshes in the en of the lines helps the reader know the pauses on the poem as the writer intended them.
4. I was filled with uncertainty and confusion on my first day of high school.
Uncertainity is a feeling or a state of mind in which you´re not sure about something.