FILL IN THE BLANK THE NUMBERS
The year 1900 marked the dawn of the greatest (1) the world has ever seen. This would not have happened without the discovery of oil, also known as (2)" ." Until the 1850s, oil was an annoyance. Soon in 1854, scientist discovered that oil could be used for lighting. By the mid-1800s, (3) still powered trains and factories. Coal was dirty and inefficient. A major discover of oil was found at (4) . The men used (5) to help drill the hole in the soft sand. This discovery was right outside the town of (6) , Texas. Drilling for oil is a dirty and dangerous job performed by (7) . After this discovery oil production in the U. S. (8) instantly by 50%.

Word Bank:

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