Answer:
Based on the quote provided, Jefferson's concern about the constitutional difficulties surrounding the purchase of Louisiana Territory was that a strict adherence to the written laws of the Constitution might prevent the country from taking necessary actions for its self-preservation and safety.
Therefore, the correct option would be D. He didn't believe he had constitutional power to buy land from another country. Jefferson recognized that the Constitution did not explicitly grant the federal government the power to purchase foreign territory, and he was concerned that the acquisition of Louisiana might be unconstitutional. However, he believed that the acquisition of Louisiana was necessary for the safety and prosperity of the United States, and so he went ahead with the purchase despite his reservations about the constitutional implications.
Step-by-step explanation: