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After the Fall of Rome around 400 CE, the Franks moved into Gaul, making France the earliest centralized government by the late Medieval period.

The Crusades contributed to the end of the Dark Ages. Select all ways it did so.

Combustible dust is best described as:

The fire triangle consists of:

Eastern Roman Empire centered around the trade center of Constantinople. Historians will later call Eastern Rome __.

Poor maintenance that causes friction between moving parts can lead to:

Class A fires are fueled by:

Describe one type of fire suppression system and explain what type of environment or material it is best suited for.

Class B fires involve:

Approximately how many industrial and manufacturing fires occur annually in the United States?