War of 1812. The War of 1812 (which lasted from 1812 to 1814) was a military conflict between the United States and Great Britain. ... However, in Canada, the war contributed to a growing sense of national identity, including the idea that civilian soldiers were largely responsible for repelling the American invaders.
Answer:
The United Nations (UN)
Explanation:
After the many failures of the League of Nations, the countries involved knew they had to make a stronger league that would better protect them from war and world conflict. I believe this happened in 1945, though, not 1943.