What does acculturation mean? how did new immigrants put this idea into practice in their lives?

Acculturation means that a minority (smaller) culture can be changed with contact with another dominant culture. New immigrants put this idea into practice because they would come to the U.S. and "forget" about their actual culture and practice the new one, simply because it was the "right thing" to do. 

Was giving by lincoln on march 4, 1865-as lincoln prepared to speak, the civil war was drawing to a close-lincolns address of 703 words was the second shortest inaugural address-lincoln mentions god 14 times-505 of the words were one syllable -he used the word "war" or it's pronoun 9 times