Simplify the following text for a Grade 8 native English-speaking person.
Original: He soon found himself bound for North America to fight in the Revolutionary War , seeing action in Brooklyn in August 1776 , Brandywine , Germantown and Monmouth Court House before finally being taken prisoner at the final Battle of Yorktown in 1781 .
Simplified: He was soon sent to North America to fight in the Revolutionary War . He fought in the Brooklyn in August 1776 , as well as at Brandywine , Germantown and Monmouth Court House before finally being taken prisoner at the final Battle of Yorktown in 1781 .