What was the significance of the large wall around Jamestown

Jamestown, founded in 1607, was the first successful permanent English settlement in what would become the United States. The settlement thrived for nearly 100 years as the capital of the Virginia colony; it was abandoned after the capital moved to Williamsburg in 1699.

Explanation:since i helped can i have brainlst please that would be greatly apericated

a. because the u.s. was the leading with the most technology, economy, etc. also was teamed with other allies witch boosted the economy and materials to improve technology and use it.

b - those executed came from every social and economic class