Which prefix added to the root "port" creates a word meaning "carry out"? ex- im- re- ful-

president thomas jefferson commissioned the expedition shortly after the louisiana purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an american presence in this territory before britain and other european powers

this isn't a question and if you're going to list things be kind and use commas.