Why Did Progressive Reformers Think They Had Much to Learn

Why did progressive reformers think they had much to learn from the Old World?

A) British legislators were far more advanced in their thoughts on racial diversity.
B) The French had built a strong reputation in the field of rehabilitative prison programs.
C) The Italians had introduced a series of legislation securing equal rights for women.
D) Germans had pioneered several measures of social legislation.
E) Russian bureaucrats had innovated ecumenical churches that offered welfare programs.