The Red Cross was founded by Henry Dunant, and he played a crucial role in the establishment of the International Committee of the Red Cross (ICRC) in 1863. It appears there might be a slight spelling error in the answer choices, as "Durant" is more commonly spelled as "Dunant" in the context of the Red Cross founder.

The disconnected lines drawn on a map for showing the slope are called (B) Hachure. Hachures are short, parallel lines that are drawn on a map to represent relief features such as slopes and hills. The spacing and orientation of hachures provide a visual indication of the steepness and direction of slopes on the map. Hachures are commonly used in cartography to enhance the representation of terrain and elevation.