How would you explain social changes to someone who has no idea about our society?

There are various social change models. These all require public awareness and learning, and consensus building (building critical mass), before policy change can effectively be implemented and enforced. Section 3 of this module covers social movement frameworks, which explain the (various) programs of social change movements to bring about such change.

We found the following social change model applicable and relevant to animal welfare. It is a model of the stages needed to institutionalize social change:

i would say the answer is food.

hope this !