What are the differences between a rifleman and an ordinary soldier in the British army of 1810? How do these differences affect Dodd’s decisions and behavior?

Lord Wellington devises a scorched-earth policy as a defense against the invading French army. How does this plan work, and how does it affect both the French soldiers and Portuguese people?

What is Dodd’s goal, and how does that purpose affect his strategy and tactics as he works his way across Portugal?