The answer is D. Ask siri lol
When one closes off an area to stop people or goods from entering or leaving a place this means that an embargo on goods is present. This is usually done when one doesn't want a nation to continue its economic relationship with other nations. When people are stopped from entering or leaving a place, this would mean that they are put under quarantine.
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Both the people of Central Africa and Guinea coast have complex societies.
These African communities have shared a history and endured colonialism and conflict. The foreign influences added to the rich culture of Africa creating an intricate multiplex of beliefs and values.