Which group was brought into to replace native americans workers in american colonies

After the civil war which president was called a "carpetbagger"? a.lincolnb.johnsonb. grant

The middle east is the best association with which international traded product

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