Why were so many through the years willing to die for the idea of living in a country of freedom? What would you be willing to go through for your eternal freedom? How can we overcome the persecution and suffering in this world? Jesus holds not only the example but the answer.
This video about the Star Spangled Banner was shared before the sermon: https://www.youtube.com/watch?v=NCdwPf46N30
Foxe's Book of Martyrs is also referenced.