Whic statement about the spread of nuclear weapons is a fact rather than an opinion

Ineed answers 5 and 6 on my social studies homework reply to this question i posted

According to the map, most mining occurs in the. part of the state

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