The United Nations is the organization!
I was invented 5,117 years ago.
Explanation:
To do this, we add the absolute value of 3100 to the absolute value of 2017.
|3,100| + |2017| = 3,100 + 2017 = 5,117 yrs
The type of resource newspaper accounts are written at the same time an event occurred is called a primary source document.
I believe Coronado was in search of the seven cities of gold.