Which statement was a factor in the decline of sumer? choose all answers that are correct a. a drought caused poor crop production b. the cultivated soil had poor drainage c. salinization of the soil occurred d. nomads invaded sumerian city-states

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