Are these two sources primary or secondary?

How do you know?

Are they reliable sources? Why do you think so?

How are these two sources different?

How can they help you understand the topic?

What is the main idea of Jefferson's message?

How can the map help you understand Jefferson's message?

How could Jefferson use the information presented in the map to further his argument?

How does Jefferson's message help you understand the motivations of the United States in westward expansion relative to Native Americans?