The Rift Valley was formed by violent subterranean forces that tore apart the earth's crust.
They really help in the process of Africa's state building, creating commercial networks between parts of the continent, and introducing literacy ( especially on northern part of Africa)
They also controlled the sea route between Asia and Africa and managed to maintain the relationship between Africa and the middle east
Answer and Explanation:
"Blocked opportunity" is the term that defines the state when a particular person is not able to achieve the desired goal due to the society or any other factor. The opportunity that the person is waiting for or had high hopes with goes away from the hand , this situation leaves the person in the state of sadness or depression.
This state also leads to stain the person and his thoughts. The situation of strain and delinquency sometime lead to criminal tendencies as well according to many theories. Crime causing act is performed towards the society because the person starts to blame society element behind the failure of not achieving the goal and unsuccessful.
