What is the difference between a closed and an open primary?

Business and industries in the 1920's most closely followed the buying demands of a) the government b)farmers c)consumers d)manufactures

The belief that war often drives civil modifications to a society is based upon the evidence that in times of external conflict, a society is forced to abandon long held discriminatory values to:

Me! why was marbury v. madison such an important case? a. it confirmed that the supreme court was more powerful than congress but less powerful than the president b. it confirmed the authority of the supreme court to review a law in to determine whether or not that law is constitutional. c. it confirmed the authority of congress to increase or decrease the power of the supreme court. d. it gave the supreme court the power to confirm federal judges.