Which effect of industrialization made city centers somewhat unpleasant?

Which of the following is one example of an ideological conflict that became one of the causes of world war ii?

Why do you think the delegates to the first contintal congress believed that refusing to buy british goods would their cause?

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