The answer is the last one : About two years
Its a crossword just fill in the blanks.
It was President Harry Truman
Mostly because our modern civilizations were born there. "The region saw the development of some of the earliest human civilizations,
which flourished thanks to the water supplies and agricultural
resources available in the Fertile Crescent. Technological advances made
in the region include the development of writing, glass, the wheel, agriculture, and the use of irrigation." ~Wikipedia
