The business of buying and selling or exchanging items.
Originally, the Great Wall of China was built to protect caravans and thereby encourage _________.

• caravan
• dromedary camel
• barrier
• trade

A valuable cloth originally made only in China from threads spun by silkworm caterpillars.
Her purple sari is made from real _____.

• barrier
• caravan
• silk
• Bactrian camel
  camel

A path that must be followed to get to a place.
The caravan was robbed while on the main _______to the city of Palmyra.

• caravan
• route
• trade
• barrier

Something that blocks the way, an obstacle.
The desire to see new, mysterious lands and acquire goods, led trade caravans to overcome natural ________ such as tall mountains and vast deserts.

• barriers
• caravan
• trade
• route

Criminals who attack and steal from travelers.
The caravan was set upon by _______ after leaving the protection of the Great Wall.

• trade
• silk
• caravan
• bandits

A group of traders traveling together.
Who will be chosen to lead the next ______?

• caravan
• trade
• oasis
• mirage

A small fertile or green area in a desert region, usually having a spring or well.
The caravan stopped at the ______ for food, water and entertainment.

• caravan
• barrier
• oasis
• bactrian camel

An optical effect that is sometimes seen in the desert, or over hot pavement, that may have the appearance of a pool of water.

They thought they had come to a desert oasis, but it was only a _________.

• caravan
• mirage
• dromedary camel
• oasis

A camel, also known as the Arabian camel, with a single hump on its back.
The _____________ carried people and goods across the desert.

• dromedary camel
• bactrian camel
• caravan
• mirage

A camel with two humps on its back.
The __________ carried people and goods across the desert.

• dromedary camel
• bactrian camel
• caravan
• trade