For Most of American History, the Engagement of Government with Business

For most of American history, the engagement of government with business and labor is best characterized by which of the following?

A) neither the federal government nor local governments doing much to regulate business-labor relations
B) the federal government helping labor and local governments helping business
C) the federal government helping business and local governments helping labor
D) the federal government doing little and local governments helping business
E) the federal government helping labor and local governments doing little