The correct answer is letter 2, 1, 3, and 4.
Explanation: Maryland it is a state in the Mid-Atlantic region of the United States defined by the abundant waterways and coastlines on Chesapeake Bay and the Atlantic Ocean.
The largest city, Baltimore, has a long history as a major port city. Fort McHenry, the birthplace of the US anthem, is located at the entrance to Baltimore's Inner Harbor and is home to the National Aquarium and Maryland Science Center.