A fundamental component of Britain's early success, naval impressment not only kept the Royal Navy afloat--it helped to make an empire. In total numbers, impressed seamen were second only to enslaved Africans as the largest group of forced laborers in the eighteenth century.

In The Evil Necessity, Denver Brunsman describes in vivid detail the experience of impressment for Atlantic seafarers and their families. Brunsman reveals how forced service robbed approximately 250,000 mariners of their livelihoods, and, not infrequently, their lives, while also devastating Atlantic...