Basic General Knowledge
Theory of Idealism was expounded by George Hegal, Bishop George and Berkeley According to this

all knowledge is derived from sensory experience, by observing and experimenting
base of knowledge is sense-experience, that is, observations governed by scientific principles
good was pleasure and that evil was pain
mathli is an illusion and that the only reality that which exists mentally

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Basic General Knowledge
The main objectives of the UN are

to maintain peace and security in the world
All of these
to develop friendly relations among nations
to work together to remove poverty, disease and illiteracy and encourage respect for each other's rights of basic freedom.

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