 With the Second Supply, they expressed their frustrations and made demands upon the leaders of Jamestown in written form.They specifically demanded that the colonists send commodities sufficient to pay the cost of the voyage, a lump of gold, assurance that they had found the South Sea, and one member of the lost Roanoke Colony.It fell to the third president of the Council Captain John Smith to deliver a bold and much-needed wake-up call in response to the investors in London, demanding practical laborers and craftsmen who could help make the colony more self-sufficient.