<span>"Score on the beck depression inventory" is an operational definition of depression.
</span><span> The operational definition determines the nature of an item or phenomenon (a variable, term, or object) and its properties.</span>
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: Longitudinal study
Explanation: Longitudinal study refers to recurrent observation gathered on a particular set of variables over a certain period of time. Longitudinal studies could be carried out on the same variable or set of variables over a short or long period of time ranging from days, weeks, years or even decades. They are mostly conducted to study changes in traits of measured variables over time.
Testing memories of a single group of children over a constant period of time could be used to determine variation in memories of children as they age.
I don't know for sure, but I suspect it was because people of all
races, creeds, colors, religions, and national origins had equal
opportunity to get shot, poisoned, captured, crippled, and killed
during the war, and those that came back alive were not satisfied
to accept unequal treatment and opportunity at home after it was
over.
Keep the peace. ..... i believe
