They were all slave states that had remained in the Union and this is what Missouri, Kentucky, Maryland and Delaware had in common during the Civil war. The correct option among all the options that are given in the question is the second option. I hope that this is the answer you were looking for and it helped you.
Answer:
A. high taxes on imports to increase the cost of imported goods
Explanation:
The answer is South. back then, the south used to be the Confederate States of America, where slavery was still in existence. Later on, it was united with the rest of the US, but majority of African Americans still lived there, and still to this day, majority of African Americans live in the South.
Sales tax is paid when purchasing consumer goods and services. I hope this helps!