Why were they referred to as the “Five Civilized Tribes”?

because they appeared to be assimilating to Anglo-American norms.

Explanation:

The term "Five Civilized Tribes" came into use during the mid-nineteenth century to refer to the Cherokee, Choctaw, Chickasaw, Creek, and Seminole nations. ... Americans, and sometimes American Indians, called the five Southeastern nations "civilized" because they appeared to be assimilating to Anglo-American norms.

religion played a major role in the american revolution by offering a moral sanction for opposition to the british--an assurance to the average american that revolution was justified in the sight of god. the revolution strengthened millennialist strains in american.

because he created electricity