One of the main factors that helped unification was the economic and political growth of the West Germany capitalist, through North American resources
.This caused a disappointing population of East Germany, which adopted a socialist regime, causing a migration of people to western Germany.
All this situation caused a great crisis in socialism, so the people pressed the rulers of eastern Germany, who were forced to open negotiations with western Germany for the fall of the Berlin Wall and the reunification of the country
The Columbian exchange, also known as the Columbian interchange, named after Christopher Columbus, was the widespread transfer of plants, animals, culture, human populations, technology, diseases, and ideas between the Americas, West Africa, and the Old World in the 15th and 16th centuries. - Wikipedia
Answer:
D) The distance between a person’s current developmental level and their potential development level with assistance from a more capable ally
Explanation:
This concept was given by a Soviet psychologist named Lev Vygotsky. A child always followed elders in family and develop the ability to do a task without any help. It is the distance between actual development indicated by independent problem solving and potential development under the guidance of capable peers. Now it has been modified, expanded and changed in new concepts. Scaffolding is another concept that is closely related to ZPD concepts. Thus proximal is referred to as those skills which are close to the learner and can mastery over them.