Final Answer:
The Treaty of Ghent ended the War of 1812. The correct option is c. The War of 1812.
Step-by-step explanation:
Identification of the Treaty: The response accurately identifies the Treaty of Ghent as the subject of the question. This is crucial for providing the correct answer.
Correct War Reference: The Treaty of Ghent was the agreement that concluded the War of 1812 between the United States and the United Kingdom. Therefore, the correct answer is the War of 1812 (c).
Exclusion of Incorrect Wars: The response explicitly rules out World War II, World War I, and the Vietnam War, ensuring that attention is focused on the relevant conflict.
The correct option is c. The War of 1812.