Which of these sped up the production of industrial goods in the U. S. in the 1920s, but
cost workers their jobs?
A. surplus of crops
B. machines in factories
C. the stock market crash
D. consumer spending decrease

I'll see what I can find

Explanation:

interest groups send representatives to state capitals and to washington, d.c. to put pressure on members of congress and other policymakers. they engage in lobbying, or the organized process of influencing legislation or policy. lobbying can take many forms. interest groups can testify in congressional hearings.