A and B are similar but, I would say the best answer is A.
The Taiping Rebellion was caused by Hong Xiuquan and class differences, and led to a radical change in social and economic structure.
The benefits of the whole purchase were increased trade from other places and better trade means better work and better pay from that work and that means jobs opened up to help keep those boats coming in with new goods for trade and purchasing in the new world.
The laws that were opposed by the Virginia and Kentucky Resolutions were the Alien and the Sedation Acts. The Virginia and Kentucky Resolutions were drafted between the years 1798 and 1799. They were actually political statements that opposed the Alien and Sedation Acts and were of the opinion that the acts were actually unconstitutional in nature.
Abolition of the slave trade