The answer is Number 3, Amos.
Answer:
The Korean War
The Korean War (1950-1953) began when the North Korean Communist army crossed the 38th Parallel and invaded non-Communist South Korea.
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-RosemaryAndStars
"West Africa had rich resources of gold and salt.
West African rulers taxed all trade caravans crossing their territories.
Explanation
Ghana's rulers gained incredible wealth from trade, taxes on traders and on the people of Ghana, and their own personal stores of gold. They used their wealth to build an army and an empire. Extensive trade routes brought the people of Ghana into contact with people of many different cultures and beliefs."
<span>A-The growth of regional economies is limited to local resources.
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~ Zoe</span>