The zone of proximal development is the difference between what the learner knows and what the learner is capable of understanding with the help from a peer.
Explanation
The zone of proximal development (ZPD) is the range of abilities a learner can perform with assistance and what he or she can do without help. Potential development of an individual as determined by his independent problem solving abilities compared to problem solving under guidance of a peer will show the person’s zone of proximal development.
the three major elements that separate the world's haves from the have-nots are developing agriculture, living in areas without natural geographic barriers, and acquiring immunity to diseases.
Northern and Southern politics disagreed as to whether Congress had the authority to determine whether slavery would be allowed in New areas open to settlement