Edited sentence: American businesses, media, and political entities, assimilate to the newcomers remarkably well in order to better meet their needs, expectations, and preferences.As a result, the United States becomes a bi-lingual country and is losing its national coherence.Recently, the United States is affected by cultural imperialism of Mexico, whose migrants impose their language and culture on the American society, usually, against the will of the majority of Americans.Some analysts and politicians predict that this process will lead to secession of the American Southwest from the United States and emergence of an independent country with majority of Spanish-speaking Mestizo population of Mexican ancestry.Spanish-language TV, Univision, that promotes Mexican culture and helps its Spanish-speaking viewers avoid assimilation into the main stream American culture, became the fifth largest TV network in the United States