In Mexico
a. the fascistic PRI seized power in 1926.
b. a thirty-year search for commercially successful oil fields ended in failure in 1935.
c. the Cárdenas government nationalized the foreign oil companies' holdings and provided millions of acres of land to landless peasants.
d. Diego Rivera invented the transistor in 1936.
e. a devastating famine killed one-quarter of the population between 1933 and 1936.