Effects The War Of 1812 Had On America. New Englanders particularly seafaring ones were against it. One thing frequently said then and now is that the War of 1812 was the Second American Revolution.
The US military and manufacturing were also strengthened. The War of 1812 changed the course of American history. Some of the major effects of the war of 1812 were increased patriotism in the United States and increased respect for the US from other countries.
Causes of the war.
Furthermore it instilled a greater sense of nationalism among its citizens. Once the War of 1812 was over people focused more on what was the national interest of all Americans not so much on the interests of each individual state. Although the states had won their independence England had not fully accepted it. The War of 1812 which was fought between the British and the Americans had many political economic and judicial impacts on the United States.