american plantation owners asked the united states to annex hawaii in 1898 to help improve trade tourism…

Brief Explanations:

American plantation owners in Hawaii in 1898 were mainly concerned with economic - related interests. Annexation by the US would likely improve trade conditions for their plantation - based products, such as sugar. Tourism was not a major factor at that time, and democracy and security were not the primary motives of plantation owners.

Answer:

trade