<span>A. when Congress has just convened a session
</span>
Answer: Great Britain and China
Explanation: Britain was running out of money, due to their love of tea, mainly from China. There was an unfavorable balance of trade, and Britain wanted it to be in their favor. So, they got China hooked on opium, and the Opium Wars resulted.
D is your answer. it gives a more specific answer than the other choices, plus it is true. Slavery has been around since Jesus time, so that's way longer than the 1500s
