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Cognitive dissonance is vital to discern completely for a controller who wants to incite and propagandize people because it contains an essential factor to instigate people.

There are two types of propaganda, and they work depending on rational or emotional people's behaviors. To lead someone in a particular direction, logical propaganda is basically used. However, there is difficult not to listen to or to receive an agreement from the majority. As a solution, there are two types of ways to convince someone; weakening rationality or making people out of control. These have been entrenched in the long history as a technique of propaganda.

What do you come up with when you listen to the word of propaganda? Some people imagine the word with negative impressions such as brainwashing and controlling, manipulation of impression, fabrication of information, conspiracy and rights, mass-communication, religion, social and communism, etc. They are universal ideas of propaganda for people. Then, what is the definition of propaganda in Wikipedia?  

The war seldom happens but terrorism, or civil war does. The reason why terrorism and civil war occur is relating to religious conflict ordinarily. Then, why does the war not often happen nowadays even though terrorism and civil war break out?

What will you come up with when listening to the term of nuclear energy? Some people have a negative impression of it and might think that another natural energy from wind, geothermal, or hydroelectric power energy is more trustworthy.

Almost all people know global warming and associate it with something not good for human-being and the earth. Some people take action to prevent the progress. However, what is the cause of global warming originally?