He chautauqua circuit had its roots in

(a) a training institute for electrical workers

(b) a camp for sunday school teachers

(c) a school for entertainment professionals

(d) an amusement park for urban families

B) A camp for Sunday school teachers is the correct answer

Explanation:

The movement that started in late 19th and  early 20th century for adult education was known as Chautauqua. It spread in the rural America during the second half of twentieth century. The Chautauqua used to bring teachers, speakers, musicians and preachers. New York Assembly was the first Chautauqua established by  John Heyl Vincent and Lewis Miller at the coast of Chautauqua lake. Its purpose was to train the Sunday school teachers in outdoor school.

b

explanation:

roosevelt believed that in light of the country's recent military successes, it was unnecessary to use force to achieve foreign policy goals, so long as the military could threaten force. this belief, and his strategy of “speaking softly and carrying a big stick,” shaped much of roosevelt's foreign policy.