Question

why was the revolution in haiti in the late 18th century such a concern for plantation owners in the united states?

Explanation:

The Haitian Revolution was a successful slave - led uprising. It could inspire slave revolts among US plantation slaves, threatening the slave - based plantation economy in the US. Also, it disrupted trade as Haiti was an important trading partner in the Caribbean.

Answer:

The Haitian Revolution could inspire slave revolts in the US and disrupt trade.