The Roman Empire created the world's first

irrigation system

network of roads.

system of writing

firefighting brigades.

Which desert is the largest on the planet? Syrian Desert Iraqi Desert Arabian Desert Sahara Desert

Which statement was NOT a responsibility of a knight? A knight conducted himself according to a code of behavior known as chivalry. A knight had to undergo a special training program which included academic studies.

Which of the following most clearly reveals the Founders ideas about the source of government power? A) "We the People" B) "a more perfect Union" C) "this Constitution" D) "our Posterity"

How does Galileo defend himself against these charges

Would a different action or leader resolve the conflict between the north and the south

What event made it necessary to negotiate the compromise of 1850?

What is the subordinate clause in the sentence? While he was on vacation in Colorado, Ivan painted some beautiful landscapes of the Rocky Mountains and gave the paintings to friends.

Which of the following statements apply to Barack Obama's campaign for the presidency? He made wide use of the Internet and text-messaging to keep in touch with supporters.

Before money was invented, how were goods and services exchanged?

What Act did the British pass and impose on the Colonists after the Boston Tea Party?