Vygotsky's sociocultural approach to development emphasized , the difference between what a child can actually do versus what a child can do with the help of others.

Zone of proximal development

Explanation: Zone of proximal development delineates the independent knowledge possessed by an individual that is one's capability without being rendered external help and dependent knowledge, ability or potential possessed by a person which can be be achieved by being afforded external help from people who know such as adults, parents, teachers.

At the zone of proximal development, learning is achieved by guidance from others.

answer; (b) capitalism;