Read the excerpt from “George Washington.”

He pursued two intertwined interests: military arts and western expansion. At 16 he helped survey Shenandoah lands for Thomas, Lord Fairfax. Commissioned a lieutenant colonel in 1754, he fought the first skirmishes of what grew into the French and Indian War. The next year, as an aide to Gen. Edward Braddock, he escaped injury although four bullets ripped his coat and two horses were shot from under him.

Which is the central idea in this excerpt?

As a young man, Washington participated in land surveying and fought in the military.
Washington escaped injury even though four bullets tore his coat and two horses were shot from under him.
At the age of sixteen, Washington helped survey Shenandoah lands for Thomas, Lord Fairfax.
Washington was part of skirmishes that eventually became the French and Indian War.