Although Reconstruction led to some positive changes, what major goal did it fail to achieve? permanently guarantee the civil rights of newly freed slaves

readmit Confederate states into the Union

rebuild Southern cities and farms

a lack of political focus on the effort failed to solve the sectional wounds, and the elimination of the freed slaves' newly gained civil liberties failed to bring about long-term racial integration

Explanation:

in the 1950s, country music came into its own before rock-n-roll took off in the 60s while jazz and classical music continued to innovate

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b