Why did the Jamestown colony almost fail?

because the Virginia Company made a poor choice when they decided where to establish it, and they were unable to successfully work togetherExplanation:

The men were more interested in searching for gold than planting crops. The colony lacked sources of fresh water. The Native American tribes would not trade food and supplies.Then John Smith took control of Jamestown and helped it become a stable colony. Then the Powhatan chief became friends with John Smith.

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Explanation:

they had many gains 1 one freedom for slaves the major cause of the civil war is that the   north wanted freedom for slaves but the south didn; t creaitng the civil war

another gain they have is poltiical influence

poltiical influence is a big thing everywhere even now peoplle are always trying to get the head up in poltics thats what they did by giving the republicians a good name for freeing slaves