What where the three problems the cities in the late 1800s faced as a result of the changes for the second industrial revolution

The largest lake in south america is lake titicaca?

The decision to annex hawaii was a controversial one

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