What was a primary challenge faced by the Jamestown colonists during the first few years?

One of the primary challenges faced by the Jamestown colonists during the first few years was the difficulty of establishing a self-sustaining settlement in a new and unfamiliar environment. They faced numerous issues such as limited food supplies, diseases, harsh weather conditions, cultural clashes with Native Americans, and internal conflicts within the colony. These challenges led to high mortality rates and a struggle to find stability and success in the early years of Jamestown.