Africa but specifically south of Ghana
The phenomenon in which behaviors that are conditioned only sometimes, thus causing them to be more resistant to extinction, is known as PARTIAL REINFORCEMENT.
I would say A. because it’s the only one that clarifies of what a locomotive really is.
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.