Answer:
they watch and warn others when someone/thing is coming
Explanation:
Toussaint L'Ouverture fought with Jean-Jacques Dessalines.
Answer: In a group of city-states, each city-state is independent and rules by its own king. No central power controlled all of the city-states. In an empire, consisting of a nation and the city-states and nations it has conquered, one ruler is in control.
Explanation: One has a king in where the other has just a ruler
Answer: The correct answer is: In ancient Babylon, fingerprints were pressed on clay tablets to mark contracts. The oldest documents known as such where fingerprints are shown date from China in the third century B.C. Sir William Herschel began collecting fingerprints in 1856 and noted that they were not altered with age. In 1888 Sir Francis Galton together with Sir Edmund Richard Henry developed the fingerprint classification system and this system is still used in the United States. Identification by fingerprints is very reliable.