In the early 19th century, the United States experienced significant changes that influenced the development of its national identity. Among these changes were the rise of nationalism, the impact of the War of 1812, and the expansion of infrastructure such as roads and canals. Using the provided documents, analyze how these factors contributed to the evolution of American nationalism during this period.
In your response, develop a clear thesis that addresses the prompt and support it with specific evidence from the documents as well as your own knowledge of the topic.
Note: The solution includes an example perfect-score answer with a detailed rubric. Your response will not be scored.