I believe the answer is: A.a New York businessman who relocated to Mississippi
Carpetbagger refers to the people who are perceived to take advantage of unstable political situation in the country in order to obtain financial profit. The most likely people who called a carpetbagger are most likely businessman from northern states who tried to explain their influence on the southern states by bringing technological advancement.
A political and social center for African American artists and philosophers
<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be a "conservative coalition", sine this was made up of wealthy businessmen, skilled artisans and more who heavily contributed to McKinley's campaign. </span></span>
I think the most safest way is to use a sponge or a cloth