To transport the heavy gun (too heavy to be pulled by horses or humans) and ammunition
What are the other items in the photograph?
Rope, wooden barrels, boxes, railroad ties, rail cart on wheels
What are these items used for?
Rope for moving heavy objects (such as the gun); wooden barrels may contain food, water,
gunpowder; boxes may contain food or ammunition; railroad ties to hold rails down; rail cart
on wheels to move supplies, heavy objects such as the cannon balls or the gun
