What role did warfare in africa play in the slave trade of the late 18th century?
a) warfare in africa reduced the availability of slaves.
b) many african tribes signed themselves into slavery to escape the warfare.
c) warfare in africa increased european desires to "christianize" african people.
d) victorious tribes often sold or traded their prisoners to european slave traders.

D) Victorious tribes often sold or traded their prisoners to European slave traders.

The presence of European slavers affected how African societies operated. Many crimes became punishable with enslavement. Wars between native kingdoms often resulted in the taking of prisoners, who were then sold to European traders. These practices were particularly common throughout Western and West Central Africa. Slavery also helped the kingdoms get rid of political dissidents or finance more wars.

monitor contract compliance and results of forestry activities to assure adherence to government regulations.  

plan and supervise forestry projects, such as determining the type, number and placement of trees to be planted, managing tree nurseries, thinning forest and monitoring growth of new seedlings.  

establish short- and long-term plans for management of forest lands and forest resources.  

determine methods of cutting and removing timber with minimum waste and environmental damage.  

supervise activities of other forestry workers.

by the way there is no video here.