The most appropriate design for comparing relapse rates for people with depression and people with schizophrenia is most likely to be

Stalin was willing to be pragmatic to meet his goals, despite his communist ideology, and after World War II this meant:

a. turning the U.S. into an enemy at home, in order to boost Russian nationalism b. opening up the Soviet economy to the outside world, and aid from the U.S., in order to boost the country’s postwar economy c. tightening domestic control, while maintaining earlier gains in Eastern Europe d. making long-term plans for confronting capitalist powers, while doing everything he could to help his country recover first.

__________, along with the most rigid forms of socialism, have failed to improve living standards while keeping governments solvent.

Fill in the blank(s) with the appropriate word(s).