Topography refers to the shape and elevation of land in a region. eurasia is the large land mass that includes both europe and asia.
It reflects it because it points to the fact that people are unsatisfied with the king and they want self-governance. The social contract is that people choose their leaders and if the leaders are bad then they change them, and here they didn't choose their leader but they chose to change him and put someone new who would be good for them.
The correct answer is letter D: A thick solid white line.
A thick solid white line generally separate lanes and indicate either a car can change lanes, if cars are not allowed to change lanes or if a lane will end. Sometimes they also can indicate cross walks, stop lines or parking stalls. But people associate this white lines with separating two lanes.
On the other side, people will associate any sign with an arrow to a "turning" signal. Therefore options A, B and C are generally associated with turning left or right lanes.