The practice by the British of impressing American seamen was brought to a head by the: American blockade Lewis and Clark expedition Chesapeake Affair Embargo Act

The practice by the British of impressing American seamen was brought to a head by the Chesapeake Affair. This incident occurred in 1807 when the British warship HMS Leopard attacked the American frigate USS Chesapeake, leading to significant tensions between the United States and Britain.