Answer:
George Washington, spymaster is well known for his contribution to the American revolution. George Washington was given the name of a spymaster because of his stealth and creativity in American heroism.
George Washington formed a group of spies named the Culper Ring that includes undercover agents such as tailors, merchants, farmers, and other patriots, whose identity was secret during the revolutionary period. Even after he knew that is risky, he showed the courage and formed the Culper Ring.
George Washington was famous for his military strategy and they use many secret methods to pass the information such as code names, invisible ink, book codes, ciphers, and clothesline codes.
This shows the importance of stealth and creativity shown by George Washington in American heroism.
In addition to the archaeological legacy discussed above, there remains from this period the earliest literary record of Indian culture, the Vedas. Composed in archaic, or Vedic, Sanskrit, generally dated between 1500 and 800 BCE, and transmitted orally, the Vedas comprise four major texts—the Rig-, the Sama-, the Yajur-, and the Atharvaveda. Of these, the Rigveda is believed to be the earliest. The texts consist of hymns, charms, spells, and ritual observations current among the Indo-European-speaking people known as Aryans (from Sanskrit arya, “noble”), who presumably entered India from the Iranian regions.

It conveys people of various ethnic experieneces together under a common faith. It shows sacrifice and devotion to one's beilef.
C. The discovery of valuable minerals. (California Gold Rush)