“The Bay of Pigs was the CIA backed plan that President Kennedy inherited from President Eisenhower's administration. It was a failed military operation that planned to invade Cuba.” I hope this helps you for what your looking for .
Answer:
D I think, I'm not sure tho
The complications of diseases and sicknesses. There was a lack of knowledge on something like a disease, so when settlers came over, whoever was affected would spread it without knowing. It's not a lot but disease played a part.