Answer: "A provision of the treaty of 1818 that expanded the United States also set the 49th parallel of latitude as the boundary between British North America and the US across the West. "
Explanation: The Convention of 1818 was signed on 20 October 1818. It described the boundary between British North America and the US as a line from the farthest northwest point of Lake of the Woods (what is now the provincial border between Ontario and Manitoba) north or south, as the case may be , to the 49th parallel and the west along the parallel to the "Stony (Rocky) Mountains".
b. Aurangzeb
c. Akbar
d. Bombay