What was the name of the reconstruction that gave slaves their freedom after the civil war

What was the result on the u.s. economy because of the major changes in atlantic shipping prior to and during the war of 1812?

After the civil war which president was called a "carpetbagger"?

Match the people with the appropriate description. vernon and irene castle arthur murray fred astaire willi ninja a. stylized the forms of ballroom dance by incorporating other dance forms b. responsible for renewing the influence of ballroom dance in america c. godfather of vogue danced. responsible for standardization/teaching of steps leading to spread of ballroom dance education