Zoroastrianism, a religion developed in ancient persia, was based on the idea of
a) moses giving them the ten commandments.
b) jesus christ as the savior of the world.
c) people being predestined to go to heaven or hell.
d) one supreme 'good' god, and one opposing evil force in the world.

Incomes of u. s. households in the 1970s and 1980s a. grew rapidly, due to the widespread success of labor unions in pushing up wages during those decades. b. grew rapidly, due to several increases in the minimum wage during those decades. c. grew rapidly, due to government policies that discourage the importation of foreign products during those decades. d. grew slowly, due to slow growth of the output of goods and services per hour of u. s. workers' time during those decades.