What was the name given to the trade system where finished manufactured goods were sent africa in exchange for slaves who were sent to the americans and exchanged for colonial goods that would finally br returned to the home country

a and c?

i think it is a and c

i confess that there are several parts of this constitution which i do not at present approve, but i am not sure i shall never approve them: for having lived long, i have experienced many instances of being obliged by better information or fuller consideration, to change opinions even on important subjects, which i once thought right, but found to be otherwise. it is therefore that the older i grow, the more apt i am to doubt my own judgment, and to pay more respect to the judgment of others.