***PLEASE HELP ME I'M TIMED***
Which of the following best explains which Progressive reforms were most successful?
A: The financial reforms were most successful because they removed the high tariffs imposed on imports in the 1800s.
B: The financial reforms were most successful because they established lasting methods to protect free enterprise.
C: The labor reforms were most successful because they established lasting protections for all working Americans.
D: The labor reforms were most successful because they supported the rights of workers to organize in unions.