Which of the following occurred under the Umayyad Caliphate (661 CE)?
A. The Mongols invaded the empire.
B. The empire grew to more than six million square
miles.
C. Baghdad was named the capital of the empire.
D. Persian nobles were given authority in the empire.

Aging populations can be a problem for developed countries because a) there are fewer younger workers coming into the workforce. b) most older workers demand top-level pay and full benefits. c) many older people are skilled in manufacturing, not technology. d) younger workers cannot find jobs when older people work longer.

The newly created nazi ghettos were built where? in traditionally jewish neighborhoods. in rural areas. in poor urban areas. in isolated areas to prevent knowledge of the ghettos. primarily in germany.

What is zinn's approach to the study of history? what does he suggest occurs when history is told is the story of human progress?