What incorrect statement was made concerning naval and maritime matters after the Algerian War of 1815-16?

The statement that the Navy ceased all operations in the Mediterranean Sea following the Algerian War of 1815-16 is incorrect because, in reality, the United States continued to maintain a naval presence in the Mediterranean. The war with Algeria was primarily fought to protect American shipping interests from piracy and to enforce maritime law, leading to a heightened awareness of the strategic importance of the Mediterranean region. Therefore, the U.S. Navy did not abandon operations in this critical area; instead, it recognized the need for ongoing naval engagement to safeguard its interests and maintain security on the seas.

Subsequent naval policies and actions demonstrated a commitment to operating in the Mediterranean, reflecting an understanding of the geopolitical significance of that region, particularly in relation to trade and the protection of U.S. merchant vessels.