The ____ people established five major towns in Chaco canyon in southwestern North America between 860 and 1130 C.E

The African civilization of ____ produced monumental buildings, including huge stone obelisks that probably marked royal graves.

The use of hallucinogenic cactus was practiced in the religions of the ____ region.

The territory of ancient Mesopotamia is presently occupied by which country?

Under what condition would a sUAV not have to be registered before it is operated in the United States.

The first major Russian civilization, among the “third-wave” of civilizations, was based in ____.

The spread of Christianity in Western Europe was similar to the spread of Buddhism in China in that ___.

The relationship that became known as ____ closely tied the Church to the state in Byzantium.

Which of the following was not a reason that the Byzantine Empire survived as a political entity for a thousand years longer than the western Roman Empire?

Following the collapse of the Roman Empire, slavery was replaced in Western Europe by a new economic and social relationship between lord and worker known as ____.