C: would be correct, The "river" symbolizes the peoples wills to live free of Britain control, while it may seem the are getting lost they are actually seeking out a new area to live free of Britain control.
The Rule of Thirds is a general guideline for how to create an interesting composition which states that any image—painting, photograph, graphic design—should be broken into a grid with two vertical and two horizontal lines, creating nine equally proportioned boxes.
