Washington DC and its Location

Washington DC, officially known as the District of Columbia, is the capital city of the United States of America. It is situated on the banks of the Potomac River. Let's delve into the details of why the correct answer is option 'A' - Potomac.

The Potomac River
- The Potomac River is approximately 405 miles (652 kilometers) in length, flowing through four states: West Virginia, Maryland, Virginia, and the District of Columbia.
- It runs along the border between Maryland and Virginia, and its mouth empties into the Chesapeake Bay.
- The river is a major waterway in the Mid-Atlantic region of the United States and has played a crucial role in the development and history of Washington DC.

Washington DC's Location
- Washington DC is located on the east coast of the United States, in the Mid-Atlantic region.
- It is situated between the states of Maryland and Virginia, with the Potomac River serving as a natural boundary between the two.
- The city is positioned on the northern bank of the Potomac River, which separates it from Virginia.
- The river serves as an important transportation route, as well as a scenic feature, for the city.

Reasoning and Conclusion
Given the options provided in the question, the correct answer is option 'A' - Potomac. Washington DC is located on the banks of the Potomac River, making it the most appropriate answer.

The other options listed in the question, namely Irrawaddy, Mississippi, and Hudson, are not correct because:
- The Irrawaddy River is located in Myanmar (Burma) and has no connection to Washington DC.
- The Mississippi River is a major river in the United States, but it does not flow near Washington DC. It runs through the central part of the country, from Minnesota to the Gulf of Mexico.
- The Hudson River is also located in a different region, flowing through the state of New York.

In conclusion, Washington DC is situated on the Potomac River, which makes option 'A' the correct answer.