What is an example of stimulus diffusion? ? (preferably a more recent/modern example)

Which of the following about topsoil is fake?

In stage 2 farmers used the land primarily to grow food for their families and their small communities.

Click the item in the left column. use the plus sign to move it up or the minus sign to move it down until it matches the correct entry in the right column. lock your answer in place by clicking the square beside the item. (a checkmark means it is locked.) amazon basin a atacama desert b andes mountains c lake titicaca d peru e patagonia f brazil g chile h suriname