Gender, age and income are all qualities of what segmentation base? geographic psychological education demographic

Which research model refers to the study of an individual, group, or community over a predetermined period? a. cross-sectional model b. sectional model c. cross-sequential model d. longitudinal model

What is the main subject of this map? a. world war i in europe b. nazi aggression in europe c. world war ii in europe d. europe during the cold war

What conflict ended the false doctrine of "states rights"