What was zak and Sara historical significant about not sharing

Early in life thomas was diagnosed with intellectual disability. he lives with his parents, spending his days at a local adult day-care facility. through tutoring he has reached an elementary school level of education and is able to do simple tasks to out around the house.

Give an example of a situation in which an individual's pursuit of economic self-interest may not benefit but instead harm the rest of society

What is your cultural heritage? what nonverbal behaviors are typically associated with your cultural heritage? which of those behaviors do you display? how might studying other cultures you be a competent communicator?