I think the answer is b. most European immigrants such as Germans mostly settled in new York and other new England regions. good luck :)
Explanation:
Haitian Revolution, series of conflicts between 1791 and 1804 between Haitian slaves, colonists, the armies of the British and French colonizers, and a number of other parties. Through the struggle, the Haitian people ultimately won independence from France and thereby became the first country to be founded by former slaves.
The correct answer would be the Spanish Flu or influenza
