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The Federalists were opposed to the War of 1812 because it would interfere with British trade relations. The Federalists considered England to be a great commercial ally, and since the Federalists were quite in favor of staying wealthy, they didn't want to risk ruining their connections.
Answer:
A convention is an agreement between 2 countries helping over a particular problem, less formal then a treaty . Also a convention is a gathering where people meet and discuss a problem or similar interests.
it is important because it helps them to get things done faster
