Ans- Yes, civilization has taught us to be more friendly towards one another. Birds do not treat, their elder as human beings do their elders providing an old-age pension.
Ans- Our attitude towards those outside our heard is different from animals, our intelligence enables us to give them a scope which is denied to even the most savage beast. &it enable us to give them respect.
Ans- The two main broad categories of idea that have helped mankind are those that are concentrated with moral and political.
Ans- Yes, languages played a important role in human development. At begin when language is not known it was very difficult to hand on inventions from one generation to another.
Ans- I know some other languages apart from my mother language such as English, Sanskrit, Urdu etc. Yes, it has helped me in many ways such as to contact another person who does not know our mother tongue then we use English to express our feelings. English is widely spoken all over the world.