The civilizations of the Huang River valley and the Nile River valley were similar as both were ruled by dynasties. Option D is correct.
A dynasty is understood as a sequence of rulers from the same family, usually in the context of a feudal or monarchical system, but sometimes also appearing in elective republics. The longest-surviving dynasty in the world is the Imperial House of Japan, otherwise known as the Yamato dynasty, whose reign is traditionally dated to 660 BC.
Abbreviation for the Latin phrase Anno Domini refer to in the year of the Lord.
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What is the meaning of the Latin phrase
Anno Domini ?</h3>
A.D. Anno Domini serves as the word that is been used in latin to refers to year of the Lord which is the the date used to refers to Christ's birth.
This is different from B.C., which implies years "Before Christ." hence the meaning is the year of the Lord.
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guptas made advances in the sciences. gupta philosophers proposed that the earth was not flat, but was instead round and rotated on an axis
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