Who might be a foreign enemy of the constitution? who might be a domestic enemy

Which of the following are requirements for serving on a federal jury?

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

Which is an effective question for launching history inquiry related to the cold war