Railroad, barbed wire and the modern water pump
The Continental Congress commissioned George Washington as Commander in Chief of the Continental Army on June 19, 1775. Washington was selected over other candidates such as John Hancock based on his previous military experience and the hope that a leader from Virginia could help unite the colonies.
The integrity, dignity, wisdom, courage, and determination George Washington displayed that made him a great choice.
This means the the Supreme court is at the top and the others come below.