Which of the following is not an example of cultural diffusion

cultural diffusion is basically other's cultural's foods/social activities being in another country that is not their own.

for example (since there is not any choices posted):  

Car Demolition racing in Japan

Thai restaurant in Switzerland

The one that would not be cultural diffusion is a Hamburger restaurant in New York (because there are so many)

Explanation:

the correct answer is 2.

a slump in geology means a mass movement process of slope failure. a mass of rock or unconsolidated material drops along a slip surface. in other words, rock layers move a short distance down the slope. the slump block is an intact block (2), without any landslide material.

in this image, 1 is the surface of rapture (scarp), 2 the slump block, 3 main scarp (crown), 4 base of rapture with debris flow.

slumps are caused by clear cutting on unstable soils and the sagging of earth, in coastal areas they are due to wave infiltration.

answer; i believe that the correct answer is (d); // supercontinent