D. they were active in the abolition movemen.
Answer:
it was very valuable
Explanation:
vietnam partook in guerilla warfare which is mostly done in hiding in forest and using your enemies blind spots to your advantage
Europeans couldn't travel into the interior of Africa in order to take it over because of the African-ruled trade, couldn't navigate violent rivers, or overpower their strong armies. Disease also held them back.
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<span>Vibranium is what they all have in common but really is this question nessasary for brainly?
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