Lower levels of education, along with corresponding lower incomes, reduce the likelihood that people will __________

Why did Sanjay Gandhi, Indira's son, not succeed his mother as prime minister?

a. He was uninterested in politics. b. He was a member of another party and thus ineligible. c. He was living in the United States at the time. d. He had married a Muslim. e. He was killed in a plane crash.

Since 1945, wars between major powers have ______.

a. become less common b. been numerous c. continued endlessly d. become more deadly