Americans feared Napoleon might back out of their offer of money for his land, preventing the U.S. from acquiring New Orleans area. They agreed and signed the Louisiana Purchase<span> Treaty on April 30, 1803. If this helps give a brainliest :-)</span>
Answer: business interest
Explanation:
The correct answer is D, because "their" signifie that they are having "their" conversation, and that they own the conversation. C is incorrect because "there" describes where, B is incorrect because "they" describe who, and A is incorrect because "they are" doesn't grammatically or sensibly fit in, so the answer is D.