The map shown was published in the United States in the early twentieth century. The title of the map is an example of A
assimilation
B
cultural relativism
с
acculturation
D
cultural diffusion
E
ethnocentrism

It is the doctrine that the us had the right and duty to expand throughout north america. it just means they believed they had the right to expand westward and they did! they stated with the 13 colonies and then they kept moving gaining different territories throughout the years