The correct answer is ethnocentrism. Ethnocentrism is
defined as an evaluation of other cultures by which are being based to
preconceptions that originates from one’s standards and customs of their own culture
or the culture that they were born from.
Some countries didn't have stuff that other countries had, so they used to trade to grow their community and for their people to survive. Trading was important to have all their goods they wanted.
The answer is operant conditioning
hope it helps!!!
A running mate who can strengthen his chance of being elected by virtue of certain ideological, geographic, racial, ethnic, gender, or other characteristics.