from the climate change in its day and age. 50 years of drought on the coast were followed by 50 years of rainstorms; and at the same time, 50 years of rainstorms on the inlands were followed by 50 years of drought. The Peruvians, it is suspected used human sacrifice to appease the gods; however, it didn't work. However, a modern course in climatology might have alerted them to the fact that when they experienced drought in one area, it was raining in another. Climate change happened throughout history; Africa was once lush and green and climate change created the desert. The human animal was able to adapt to the changes and that it is how it survived.