Answer:
A. Anglo-American
Step-by-step explanation:
The "Anglo-Americans" are often called "Non-Hispanic whites." Their population originated from the English people who settled in Anglo-America, a place where British culture is deemed significant.
The population of this people increased in 2011 but their population declined over the years. This term is used to show the relationship between the U.S.A. and United Kingdom. So this people, over time, used English as their mainstream language for communication.
So, this explains the answer.