By the beginning of the common era some Polynesians stopped producing pottery altogether because

Ming emperor Wanli required that all taxes be collected in

The Olmecs, or their ancestors, were one of the few peoples on earth who invented ___________ independently.

The term for roughly 500 related languages spoken in sub-Saharan Africa is

The earliest rock paintings in the Tassili region show

In 418, the Visigoths became the first Germanic people to complete the transition from confederation to kingdom when they

Martin Luther denounced the widespread sale of

In the period of political fragmentation in China, ____________ dramatically changed the nature of warfare.

The collapse of the Umayyad regime was caused by

The Persian Sasanid Empire