In college, I had the chance to take a trip with students in the history department to WW1 battle sites, but unfortunately could not go due to it overlapping wi

In college, I had the chance to take a trip with students in the history department to WW1 battle sites, but unfortunately could not go due to it overlapping with an internship in my major. Seemed like the more responsible choice at the time. But in retrospect, I should have taken the trip.