What is the significance of the Jamestown settlement?: Jamestown was the first successful colony set up by Great Britain in the New World. It's also the first place slaves were brought to in North America in the year 1619. Without Jamestown, there would be no precedent for successful colonies in America. What helped the settlement to survive?: Neither gold nor silver saved the Jamestown settlers but tobacco. Plantations of tobacco sprang up along the banks of the James River and the settlement of Jamestown was assured.
It made it much harder for a submarine to torpedo a cargo ship and escape without being attacked. Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
Number 3. The <span>Boston Port Bill and it closed the Boston Harbor until the people of Boston paid for the tea that they threw into the harbor.</span>