The naval victories during the War of 1812 showed other countries that though the United States Navy was new and still small, Americans knew how to construct strong ships and how to sail them.
a plan of action governing international relations
The doctrine became a key part of U.S. foreign policy, or official rules and ideas one nation's government uses to define its relationship with another nation's government.
act in disregard of laws, rules, contracts, or promises
Cherokee Chief John Ross filed a case with the Supreme Court stating that the Indian Removal Act did violate a treaty the Cherokees had with the United States.