A policy or attitude of letting take their own course, without interfering. In better words: the government has very little regulation in the economy.
Hippocrates of Kos was a Greek physician who lived from about 460 B.C. to 375 B.C. At a time when most people attributed sickness to superstition and the wrath of the gods, Hippocrates taught that all forms of illness had a natural cause. He established the firstintellectual school devoted to teaching the practice of medicine. For this, he is widely known as the "father of medicine."
Building the Berlin Wall, preventing trains from traveling through east Germany. Stopping cars from getting through.
The alleged duty of the white peoples to bring their civilization to other peoples regarded as backward. (Hope this is right)