What were the effects of the War of 1812 on America?
Which one of the 3 ?

War of 1812, (June 18, 1812–February 17, 1815), conflict fought between the United States and Great Britain over British violations of U.S. maritime rights. It ended with the exchange of ratifications of the Treaty of Ghent.

1812, War of

Battle between the frigates HMS Shannon and USS Chesapeake off Boston during the War of 1812; detail of a lithograph by J.C. Schetky.

die.

explanation:

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.