Is this right please help me

What event brought the us into wwii? what conflicts happened after the us entered the war? i know the first part of this question, i need with the second part.

Which statement best summarizes the outcome of the haitian revolution? a. french colonists agreed to remain in haiti to the new countryplan its government. b. france gave up control of haiti, but it forced haitian leaders toallow slavery to continue. c. haiti established a short-lived democratic government, but it wassoon colonized again by spain. d. haiti became independent from france, but the fightingdevastated its economy.

What does it mean in the declaration of independence for cutting off our trade with all parts of the world