Final answer:
The section that highlights the strategic value of the land in the Louisiana Purchase is d. Strategic Significance.
Step-by-step explanation:
The section of the article that highlights the idea that the land in the Louisiana Purchase was of high strategic value is d. Strategic Significance.
According to the article, Jefferson and Congress believed that control of New Orleans and the Mississippi was of vital interest to the United States. The Mississippi and its contributing rivers provided access to the interior of the North American continent from the Gulf of Mexico almost to Canada. Any westward expansion would involve the Mississippi, making the land in the Louisiana Purchase strategically significant.