Which of the following bestdescribes how American westward expansion in the 19th and 20th centuries influenced the regional and ethnic identities of the United States?A. Settlers moved westward in search of industrial jobs and education, creating extremely diverse urban communities. B.As settlers migrated westward, they joined with others who shared their culture to create new communities based on common ethnicity. C.Settlers lived a nomadic and violent lifestyle as they fought to protect their caravans and searched for isolated places to create new communities. D.As settlers migrated westward, they blended their ethnicities with American Indian cultures, living peacefully throughout the Great Plains

American westward expansion in the 19th and 20th centuries influenced the regional and ethnic identities of the United States

C.Settlers lived a nomadic and violent lifestyle as they fought to protect their caravans and searched for isolated places to create new communities

Explanation:

American westward expansion in the 19th and 20th centuries is one of the phenomenons the hurt the ethnic culture native to the Americas the most out of all.

The natives had survived until then by living in the west in their own cultures which were now being invaded by the increasingly violent white settlers who were trying to grab away their lands where they as nomads had lived for centuries.

The influence on the regional and ethnic identities was that there was a cleansing of the native population by the white settlers.

Settlers lived a nomadic and violent lifestyle as they fought to protect their caravans and searched for isolated places to create new communities. In this way American westward expansion in the 19th and 20th centuries influenced the regional and ethnic identities of the United States.

Option: C

Explanation:

Those who mainly move towards west ward of the country they are nomads. They used to move from one place to another in search of a job. They are not only nomads but also settlers used to follow a violent life style through hunting, fishing and gathering.

When they moved to westwards they fought within a group to protect their caravans or shelter and searched for isolated place where they can live a separate life and can form a new community.

this question does't support enough resioning to answer.

i believe your answer is mountains.