Which was a cause of world war i?
a. political revolutions in europe left nations unstable.
b. the second industrial revolution led to international rivalries.
c. europe’s system of military alliances enlarged small conflicts.
d. russia’s race to industrialize threatened the economy of other european countries.

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