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A ) many causes, one effect because if you look at a fishbone diagram, you see the many reasons (causes) leading to one conclusion (conclusion)
-hope it helps</span>
Barack Obama was the 44th President of the United States.
The correct answer is<span> superior geographic knowledge of the region
They fought against the South Vietnamese and had vastly outdated weapons and equipment but they knew the region and fought a guerilla type of a fight. They would set traps and hide in trees and trenches and dug holes through the ground and what not. </span>