KWL & LMR to be made by students. 4. Answer the following questions in 10 to 20 words. a) Define Civilization. Ans-The term ‘civilization’ is derived from Latin words civitas meaning courteousness and civilis meaning relating to a citizen. Civilization can be defined as ‘the stage of human social development and organization which is considered most advanced’. b) Why is the Indus Valley Civilization also known as the Harappan Civilization? Ans- The first city to be excavated was city of Harappa, Indus Valley Civilization is also known as the Harappan Civilization. c) State the four features of a civilization. Ans-Civilization has the following characteristics: large urban centres; unique art and architecture styles; written language; systems for administering territories; specialisation of labour; and class structured society. d) Why is the age of the River Valley Civilizations is also known as the Bronze A...