Answer:
Congress of Vienna (1815)
1.Restore Europe to its pre-revolution/Napoleon conditions.
2.Prevent future wars and revolutions in Europe.
3.Combat tide of rising nationalism and liberalism spreading throughout Europe.
An implicit agreement among the members of a society to cooperate for social benefits, for example by sacrificing some individual freedom for state protection. Theories of a social contract became popular in the 16th, 17th, and 18th centuries among theorists such as Thomas Hobbes, John Locke, and Jean-Jacques Rousseau, as a means of explaining the origin of government and the obligations of subjects.
For independace from britan
Answer: Gestalt psychology.
Originator of gestalt psychology is Fritz Perls.