It was a social and economic system.
<span>One reason historians can rely on government records for accurate historical information is that government records tends to be telling the truth since these data are also used by the people in that time which requires them to write factual data. Hope this answers the question.</span>
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.
The answer is D. He delivered his speech during the March on Washington.
