Describe how the United States was able to successfully and rapidly expand across the western North American continent between 1840-1860. Focus only on these years. What were the key events?
Offer a range of events and be specific in your response.
Five paragraph minimum.
Use this Textbook: A People & A Nation Tenth edition Volume 1: to 1877
Key points:
Quote the textbook
No plagiarism
Minimal Spelling and grammar errors
