Part of the debate over rights in the 18th century involved the prerogative of kings to remove and appoint judges upon their ascension to the throne. Liberal thinkers believed that lifetime appointments would scale back the power of the king, and therefore represented social progress. If a judge was sure of his seat, he could vote according to his own judgment, despite the wishes of the king. The Whigs in Britain actually won this right, though whether it really served their cause or their government is anyone's guess.
More control over the family businesses: The Civil War took men away from farms, businesses, and plantations. Women were expected to take control of matters in their absence.
The war opened new economic opportunities as women were provided a chance to run family businesses. This was especially true for women in the South who had to run plantations while their husbands fought or were involved in the government.
The answer would be opium (a drug) to trade for tea because the British didn’t want to pay silver for it and had lead to the opium wars which China had lost.