Which of these to further the westward expansion (furthered the manifest destiny belief) in the united states after 1865? a) the civil war b) lewis and clark expedition c) abolition of slavery d) transcontinental railroad

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.

ccp would be the answer : )

explanation: