What role does the Missouri River play in Nebraska?

The Missouri River plays a significant role in defining the eastern border of Nebraska. This river acts as a natural boundary between Nebraska and its neighboring state, Iowa, along the eastern edge. Its presence has historically contributed to the development of communities and commerce along both sides of the river. Understanding this geographical demarcation is essential for grasping Nebraska's state identity and its historical context, as many early settlers relied on the river for transportation and access to resources. The options regarding defining borders or transportation routes emphasize the multifaceted importance of the Missouri River in the region's geography and infrastructure.