What does host john green blame for start of world war 1

At which battle did the duke of wellington defeat napoleon?

What was constantinoples government

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