Did the people of the US choose to create a new constitution following the war of 1812?

No, the people of the United States did not choose to create a new constitution following the War of 1812. The existing Constitution, ratified in 1788, remained in effect, although the war highlighted various weaknesses in the federal government, particularly regarding national defense and economic issues. Instead of a new constitution, the post-war period led to discussions about strengthening the federal government, culminating in changes and interpretations of the existing Constitution rather than a complete overhaul.