Select TWO sentences that best reflect the central ideas presented within the text.

Click the sentence that best supports the inference that the American Government thought the expedition had been a good use of its money and time.

How does the author's inclusion of the story about the expedition encountering Sacagawea's former tribe add to the development of the text?

The author uses a word that means "not explored or unmapped" in the text. Click on the highlighted word in the set of paragraphs that best represents that meaning.

What is the most likely reason the author included the map with this text?

Part A: What inference can be made about the author's opinion of Sacagawea's usefulness to the expedition?

Part B: Choose TWO details that best support your answer from part A.