Why did Theodore Roosevelt call Robert La Follette’s Wisconsin Idea “t

Why did Theodore Roosevelt call Robert La Follette’s Wisconsin Idea “the laboratory of democracy”?

a. The Wisconsin Idea improved voter education and participation.
b. The Idea was voted on and approved by all citizens of Wisconsin.
c. Voters gained power to directly elect officials, and the results democratized or equalized education, employment, and public resources.
d. The Idea removed nearly all corrupt officials from local, state, and federal governments in
Wisconsin.
e. The Idea became the model for all other states and eventually the rest of the democratic world.

ANSWER
C