When Your Textbook Refers to Early 19th Century American Nationalism,it

When your textbook refers to early 19th century American nationalism,it means

A) a political outlook taking into account all the major nations of the time.
B) an intense focus on the nation of the United States to the exclusion of all others.
C) the attempt by politicians to weigh the interests of the country as a whole when acting.
D) an overwhelming sense of American patriotism.
E) the belief that America was superior to all other nations.