Three thousand or ten thousand years ago , a hunter has an idea or thought to capture wild buffaloes, which are then tamed and kept. This new mind proved useful, the buffalo was able to be trained to pull plows and carts. And the hunters made a discovery.
The discovery of the domestication and animal care - specific animals , able to turn the economy of those who passed away . But not only in the economic field, but there are other consequences. The existence of the buffalo to work in the fields means work faster in the fields completed. Population gets more time for entertainment and also to think. Other consequences, namely, rice can be expanded, larger crops, so that farmers can become richer. They can redeem the excess rice farming tools better . And this raises the need for trade and roads in order to relate to other villages.
We see that , a discovery resulted in changes in several areas of community life. Since 1750, many discoveries occur that change the way people live all the world like, steam engine, engine loom, electric, petrol and diesel motors, trains, aircraft, printing press, radio, photo, television , machine - electronic machines , atomic reactors , rockets , antibiotics , synthetic materials , artificial fertilizers . This discovery is only to be mentioned here .
But it is not only the discovery in the field of engineering and economics that can change society , also in the fields of religion , system of governance , ethics , psychology and other social sciences can greatly affect and change the world .
Social changes may also occur because the public has a relationship with other people as a community leader from Central Sulawesi stayed for three years on the island of Java and then he returned home to his village in Central Sulawesi. The thoughts and the information he brought back , can transform the economy , customs and way of thinking of people there. Or a student studying at the University of Java in America, Europe or Japan. He will go home with lots of new ideas . Usually people are influenced by more advanced societies. Thus, the social changes caused by the discoveries and relationships with other people.
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