Final answer:
The study of Roanoke and Jamestown is essential to understanding early English colonization, including the lessons learned from Roanoke's failure, Jamestown's eventual success, and their combined impact on Native American populations and the development of the plantation system.
Step-by-step explanation:
The study of Roanoke and Jamestown is crucial at the start of English colonialism in North America because it offers insight into the challenges and lessons learned in the early attempts at colonization.
Specifically, Roanoke, known as the Lost Colony, provides a narrative of failed diplomacy and the disastrous consequences of conflicting relations with Native Americans. Jamestown, the first successful English colony, eventually prospered due to better leadership, but not without repeating many of Roanoke's mistakes.
The introduction of tobacco cultivation and the consequent development of the plantation system and reliance on slavery fundamentally shaped the economic and social landscape of English America. Additionally, the study of these colonies reveals the devastating impact of European diseases and conflicts on Native American populations.