In Sub - Saharan trade, gold , salt and slaves were the most important commodities.
Gold came from Bambuk in the valley of the Senegal where there was a lot of alluvial gold. Rock salt came from areas in the Sahara which were once covered by inland seas. Its extraction, in large blocks under the blazing sun, was appalling work carried out by slaves.
Slaves mainly came from around the region of Lake Chad, where the Zaghawa tribes made a habit of raiding their neighbors and selling them to Arab purchasers in the north.
Other important commodities were cola nuts, dates, copper and brass.
Answer:
option b is correct answer
Explanation:
Instrumental (operant) conditioning is a type of learning in which organisms learn to pay attention in order to gain or avoid significant effects.
Operating conditioning is a learning method that takes place through incentives and behavioral punishments. An individual makes a connection between a specific behavior and a result through operant conditioning.
There’s no statements to choose from, but the answer would be something similar to this: Africa has the highest teenage pregnancies worldwide. Child marriage is also common. Some say the reason for this could be cultural beliefs. Another would be that teenage pregnancy is accepted and possibly encouraged by some families.
Answer:
"DSM-lV and DSM-lV-TR" nosologies removed the distinction between organically based disorders and psychologically based disorders present in preceding editions.
Explanation:
DSM IV denotes the Diagnostic and Statistical Manual of Mental Disorders, fourth edition, text revision. It is handbook which is being used by the physicians in the Unites States and also over the worldwide as the authoritative guide in case of the diagnosis of the mental disorder. It also has the descriptions about the signs and symptoms of diseases with standards of mental disorders. This manual is published by American psychiatric Association(APA), in this book it has all the possible ways of mental disorder treatment.
Answer: Exporting raw materials to England.
