Muslim cities had marketplaces called ____________________ that were filled with shops and stalls where goods were sold.

A(n) ___________ is a tower from which believers are called to prayer.

Muslim astronomers improved a tool called the ___________, which sailors used to determine their position at sea.

The people at the lowest level of Muslim society who had no power at all in government were the __________________

Muslim rulers advanced Muslim civilization by spreading the Arabic language and providing merchants with

In Muslim society, social groups were based on

Who was the Persian doctor who showed how diseases were spread from person to person?

Among his many talents, Omar Khayyam is best known as the poet who wrote

What Muslim tomb did the Mughal ruler Shah Jahan build for his wife in Agra, India?