USA HISTORY

Detailed explanation-1: -Gold and silver are commonly found in areas of igneous and metamorphic activity and are generally associated with silicic intrusives and Precambrian metamorphic rocks.

Detailed explanation-2: -But a recent monumental discovery has found that the real source of these metals lies in the enigmatic dance and collision of neutron stars far away in space and time in the universe. Neutron stars are formed when stars die and collapse upon themselves.

Detailed explanation-3: -Because gold is dispersed widely throughout the geologic world, its discovery occurred to many different groups in many different locales. And nearly everyone who found it was impressed with it, and so was the developing culture in which they lived. Gold was the first metal widely known to our species.

Detailed explanation-4: -The staggering quantity of gold the conquistadors extracted from the Americas allowed Spain to become the richest country in the world. The thirst for gold to pay for armies and gain personal enrichment resulted in waves of expeditions of discovery and conquest from 1492 onwards.