Step-by-step explanation:
The leader who brought order to Jamestown was James Smith. Bear in mind that Jamestown was under the Colony of Virginia and became the first permanent English settlement in the Americas.
However, things began to change for Jamestown when an English soldier and explorer James Smith under his leadership started the policy of "He that will not work, shall not eat" in which he instituted a training program for the town's residents on farming and work. This policy among others saved the people from a lack of food and water.