How could a work-cited list help a reader determine the validity of an essay?

Which of the following phrases best describes american society in the early 1900s

¿why was jackson opposed to the bank? a short answer*

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