Two adjectives that describe the word convention of 1818

1. migratory

2. regulatory

Explanation:

The Convention of 1818 was a treaty that established the boundary between the United States and British North America. This was signed by the United States and Great Britain. The treaty can be described as both migratory and regulatory. It established the boundary at the 49th parallel of latitude. This continues to be the boundary between the United States and Canada.

- "it was a failure that was an embarrassment for the kennedy administration."

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