 Complete the following phrase:  In 1688, as a 19-year-old, he entered the Prussian Artillery as a Bombardier. During the campaign against France 16891697, he served in the sieges at Bonn and Namur, and was promoted to lieutet in 1696. In October 1701, he was promoted to captain and company chief, the highest position available to non-royal, non-aristocratic young men. A year later, in the 