Answer:
D. Ethnocentrism
Explanation:
Ethnocentrism: In sociology, the term ethnocentrism is defined as one of the views that describe an individual's culture better than the culture of the other person. Ethnocentrism holds a belief of evaluating an individual's culture from the perspective or opinion's of someone else's.
The term ethnocentrism was introduced by William Graham Sumner during 1906. Nowadays, most of the sociologists represent ethnocentrism as one of the important characteristics of all different cultures.
In the question above, the given statement represents the term "ethnocentrism".
During the 1840's many came to California in search of gold. They began to come by wagon, horses, and foot. They came in large families and sometimes only friends.
I believe the answer is: dissociative fugue
Dissociative fugue refers to a form of amnesia which make the victim unable to remember only a certain part of their past.
For example, people with dissociative fugue may be able to clearly remember their own identity, but they could completely forget why they are trapped in a certain trouble/crisis.
Answer: diffraction
Explanation: diffraction is the spread of light or other waves/beams (like sound for example) through out a certain space.