Which supreme court case established the principle of judicial review? a. roe v. wade b. marbury v. madison c. plessy v. ferguson d. brown v. board of education of topeka, kansas

B Marbury V. Madison just look it up and look at the other person answer

utilized the penal colony

john maynard keynes developed new economic theories in response to the : b) great depression of the 1930s. his theories are so important that they are known as "keynesianism". in his works he supports the idea of a government with deeper involvement and intervention to end the great depression.