Answer:
Abigail's attitude is considered ethnocentrism.
Step-by-step explanation:
Ethnocentrism is the act of evaluating or judging other cultures, traditions, individuals based on one's own standards of one's own culture, which tends to be the desired way.
In this case, Abigail has her standards about how one is supposed to drive on the freeway, based on her own American culture. She is judging and criticizing how Germans drive on the Autobahn, comparing it to the American freeway driving.