Write about ....

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