Explanation:
Rare property of obsidian that is advantageous to archaeologists is that it occurs in volcanic flows that are remarkably homogeneous in chemical composition within a flow, but preserve elemental signatures that are unique to volcanic centers, and in some cases individual flows.
John Ruthledge was appointed to the serve on the Supreme Court twice, first as associate justice and then, after a period of years off the Court, as Chief Justice, Washington appointed federal judges to 17 United States District Courts.
We went through a time where most government’s around the world where monarchies. His new way of thinking challenged common thinking of the time and was later credited during and after the enlightenment where his ideas became common thinking in the modern era.
