Because Britain went to war with China over questions of trade, diplomacy, national dignity and, most importantly, drug trafficking
C would be your answer hope it helps
I believe because California wanted to enter the union as a free state, free state means banning slavery. This made the southerners upset because California goes from north to south and if California were to be admitted as a free state, it would violate the Missouri Compromise, which drew the border to determine free states and slave states.
I’m a bit confused on this