What term was used to describe the rough divide between free and slave states by the mid-1800s?

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

Does anyone know why the second great awakening occurred? (i need an answer asap because this is a question on my assignment! < 3 : ))

Why are countries have been to accept globalization